Seafloor Spreading Virtual Lab

Virtual Lab # 3 & #4 (Forces and Fluids - Page 241 & 258) ch_7_virtual_labs_3___4. Harry Hess proposed the idea of sea floor spreading; He looked at the age of the rock and magnetic stripes; Magnetic Strips: magnetic poles switch causing iron in rocks to change directions occurs about every 1/2 million years; largest ocean ridge is the Mid Ocean Ridge underwater in the Atlantic Ocean. Modeling Sea-Floor Spreading Along the entire length of Earth's mid-ocean ridge, the sea floor is spreading. Here, magma rises up from below as the sea floor spreads out to either side as shown in Figure 1. (when the red triangle flips up or down) Draw the ruler on the ocean floor on your paper. seafloor spreading 7. ocean floor worksheets pdf Ask students to look at the map on the second page of their worksheets. Seafloor bathymetry provides a roadmap that greatly narrows our search by identifying the path along the seafloor where the most recent seafloor spreading is occurring. Book Solution "Contemporary Abstract Algebra", Joseph A. The oldest known ocean floor is dated at about 200 million years, indicating. This creates new ocean crust. Formed by places under the ocean where plates meet in a divergent boundary. mid-ocean ridges 10. animation III. The strips of paper represent oceanic crust or seafloor. 6-7 Start Lab Wed November 9 - Sea-Floor Spreading Lab Thu November 10 - Plate Tectonics Notes p. Seafloor Spreading. % Progress. com Lesson 2 Worksheet Seafloor Spreading ppt video online from Sea Floor Spreading Worksheet, source:slideplayer. Even though the students do not directly observe the magnets, they use the information to infer tectonic processes present at the mid-ocean ridges and calculate the spreading rates for two different ridges. Every so often (it has occurred over 170 times over the past 100 million years), the poles will suddenly switch. , 2013) and Troodos (Mukasa and Ludden, 1987; Osozawa et al. WRITE the question & correct answer on notebook paper. Crayfish- Virtual Dissection a. The diagram on the next page represents a section of the ocean floor in the North Atlantic. Sea-Floor Spreading Lab INTRODUCTION In the late 1950s, considerable research was conducted to find a means of detecting large steel objects beneath the ocean surface (submarines). This site from the University Corporation for Atmospheric Research (UCAR) offers an interactive simulation that shows how magnetic stripes on the ocean bottom can reveal the age of the material and reveal plate motion. me a copy of your certificate for bonus pts. Virtual Labs. Is the idea that the continents are slowly drifting further away from each other. This scenario would imply a duration of seafloor spreading at the low end of the range cited above. The Mid-Atlantic Ridge, for instance, separates the North American plate from the Eurasian plate, and the South American plate from the African plate. Explain 30 minutes 4. Background: Earth's highest mountains, deepest valleys, and flattest plains are found not on land but under the ocean. 6-7 Start Lab Wed November 9 - Sea-Floor Spreading Lab Thu November 10 - Plate Tectonics Notes p. Learn vocabulary, terms, and more with flashcards, games, and other study tools. This can result in an ever-widening seafloor at the. "Geoworld" Plate Tectonics Lab 67 6. In 1965, a Canadian geophysicist, J. Each time the candle was dipped, another layer of wax. Graham Cracker Plate Tectonics Lab Just a little info… The Theory of Plate Tectonics states that the crust of the Earth is composed of seven major plates and numerous smaller plates. This Planet Really Rocks (CL) Classifying Rocks. “We’re actually part of a big nationwide international effort that the CDC is putting on to actually take all this viral DNA and make it open to all researchers around the world, all the public health around the world, so we actually can be one big unified front. The Dynamic Mantle. Compare and contrast the geological features of the continents and the ocean floor. Today you are going to learn more about the ocean floor. Some of the worksheets for this concept are Sea floor spreading work, Inside earth work, A model of seafloor spreading, Sea floor spreading, Name date sea floor spreading l 1 2 3, Continental drift sea floor spreading and plate tectonics, Lab work plate tectonics, Magnetic reversals activity. Note that the seismically detected LAB beneath the mature lithosphere is ~ 80–85 km in depth (Kawakatsu et al. Chapter Lab Investigation: • Directed Inquiry: Modeling Sea-Floor Spreading Open Inquiry: Modeling Sea-Floor Spreading Inquiry Warm-Ups: • How Are Earth’s Continents Linked Together? • What Is the Effect of a Change in Density? • Plate Interactions Quick Labs: • Moving the Continents • Mid-Ocean Ridges • Reversing Poles. WEEK #5 Sept 25 & 27: Introduction to Lab #3 Nautical Charts. The marker stripes in this lab represent the new rock forming during sea floor spreading, where the newest rock are closer to the mid-ocean ridge, and the oldest rock are further away from the mid-ocean ridge. Answers vary depending upon the strip of ocean students choose. Research a major Tsunami. Tuzo Wilson, combined the continental drift and seafloor spreading hypotheses to propose the theory of plate tectonics. Convection Current Theory Convection Current Theory is the soul of Seafloor Spreading Theory. Topics (Seafloor Spreading): Bathymetric Evidence for Seafloor Spreading; Magnetic Evidence for Seafloor Spreading; Seafloor Spreading Hypothesis; Proudly powered by Weebly. Virtual Lab The Effects of Carbon Dioxide and Light on Photosynthesis Presentations Food Web Balance 8. Lesson 5- sea-floor-spreading 1. Plate tectonics - Plate tectonics - Seafloor spreading: As upwelling of magma continues, the plates continue to diverge, a process known as seafloor spreading. The oldest known ocean floor is dated at about 200 million years, indicating. The Seafloor Moves? •In the 1960’s, a famous scientist by the name of Harry Hess discovered the theory of seafloor spreading •Center of the ocean, Harry noticed that the rock was very young •While the rock closer to the continents was much older Older Rock New Rock Forming. Geological Survey. Using the world wall map or other lab resources, name at least one place where the Mid-Atlantic Ridge is exposed above sea level. The ocean floor spreading eastward is subducted and destroyed relatively soon after formation. Objectives: Students will construct a model to illustrate how new sea floor is created at mid-ocean ridges and is removed at trenches. As it continues to cool, iron in the rock aligns itself with the magnetic field of the Earth, much like the needle in a compass. The magma cools and if it gets high enough, it could create islands. Seafloor Spreading and Polar Reversal. Sea Floor Spreading Activity Sea Floor Spreading with Bill Nye Sea Floor Spreading This video goes over the process of sea floor spreading and the evidence that supports this theory. finish plate tectonics, convection currents, and the sea floor spreading and how the earth changes link for 1st and 2nd period 2. Modeling Sea-Floor Spreading - Ms. The moon would be waning when it is appears to be getting smaller, when it is "losing" light, therefore we don't see it as much, until it is a new moon. Seafloor Spreading Tutorial sea floor spreading slip slide collide Sea Floor Spreading Sea Floor Sp/edpuzzle. • Lithospheric plate with oceanic crust is dragged down at trenches. What is the Mid-Atlantic ridge? Seafloor Spreading. Reveals how seafloor topography, magnetic polarity, and age are evidence for the sea floor spreading hypothesis. SONAR SOund Navigation And Ranging (Science starting working on the idea around 1914 and perfected it around the 1930- 1940. Cut along the dotted lines of the sea-floor spreading model pattern. Teori ini menjelaskan bagaimana kerak laut terbentuk melalui oceanic ridge dan “tenggelam” di palung dalam (deep sea trench). Sea Floor Spreading. Laboratory Activities: These activities do not require elaborate supplies or extensive pre-lab preparations. A Model of Seafloor Spreading KEY 1. Although this process takes place constantly, it is difficult to observe directly. PhET sims are based on extensive education research and engage students through an intuitive, game-like environment where students learn through exploration and discovery. Heezen, 1977. The sea floors are growing. Colored pencils map of the tectonic plates. Formed by places under the ocean where plates meet in a divergent boundary. One of the areas includes the Tonga Islands in the southwest Pacific Ocean. Plate tectonics - Plate tectonics - Seafloor spreading: As upwelling of magma continues, the plates continue to diverge, a process known as seafloor spreading. Perhaps this is a sign that full sea-floor spreading in Afar is imminent, at least on geological timescales. Additional lab preparation information is provided in the Teacher Guide and Answers section. Seafloor spreading questions q seafloor spreading worksheet seafloor spreading for kids 2019 10 03 review and reinforce. Go Further The fastest spreading rate is the northern part of the Pacific plate, which is spreading at approximately 15. 34-36 HW: Continue working on Review Packet and Virtual Lab Journal Questions Thursday: CW: Mapping Features Along Plate Boundaries HW: No HW Friday:. SEAFLOOR SPREADING. major earthquakes Key Terms (page 22) 1. As the sea floor spreads, the Earth's crust is changing and moving the continents as well. " Page 93- "The Theory of Continental Drift" notes (see ppt. Seafloor Spreading Hypothesis. The process continues today. Where can you find the data about each peak that you need for this lab? 2. Seafloor Spreading Introduction: Along the entire length of Earth's mid-ocean ridge, the sea floor is spreading. (The rate at which new oceanic lithosphere is added to each tectonic plate on either side of a mid-ocean ridge is the spreading half-rate and is equal to half of the spreading rate). Activity #3. As magma starts to harden into rock, iron-rich minerals solidify first. , 1987, Mapping the Ocean Floor in Down to Earth, AIMS. The colors in the animation illustrate both the age of the ocean floor and the symmetry of sea floor spreading. Submit your work via Bb. Students use compasses and bar magnets to simulate the collection of sea floor magnetic polarity data. Seafloor spreading is the creation of new seafloor or new oceanic crust 5. The Seafloor Spreading and Subduction learning objective — based on NGSS and state standards — de Legends of Learning - Plate Tectonics. D) Seafloor spreading produces major characteristics of the seafloor: 1) The age of the seafloor is progressively _____ away from mid-ocean ridges. In 1965, a Canadian geophysicist, J. The oldest sections should be the sections on both sides furthest from the middle 4. When echo sounding devices were invented, detailed maps could finally be drawn. Plate Tectonics Lab Station Activity Teach Science With Fergy -> Source teachsciencewithfergy. An applet shows the magnetic…. For instance, the Atlantic Ocean is believed to be expanding because of its few trenches. 3) The magnetic history of the seafloor bears the _____ pattern of the Earth's. Some of the worksheets for this concept are Sea floor spreading work, Inside earth work, Name date sea floor spreading l 1 2 3, A model of seafloor spreading, Sea floor spreading, Sea floor spreading, Modeling sea floor spreading, Chapter 8 plate tectonics. When could the phase of the moon be considered a crescent? Right before and right after a new moon appears. Study the map carefully and answer the questions below. All models. Resource Sea Floor Spreading 7/Dec/2011 Resource Sedimentary Rock Environments 11/16/2010 Resource Sedimentary Rock Environments Key 11/7/2010. What formula do you use to calculate the rate of movement in this lab? How did scientists me their knowledge of seafloor spreading and magnetic. Lab Seafloor Spreading Rates 3 Theory of Plate Tectonics Lab Predicting Tectonic Activity Virtual Lab Where do most earthquake epicenters and volcanoes occur? [Filename: 46176907. Label each illustration. calculate the rate of sea floor spreading for the northern portion of the map on page 4 (in millimeters per year). The East Pacific Rise is a mid-ocean ridge that runs through the eastern Pacific Ocean and separates the Pacific plate from the North American. Seafloor spreading is the movement of magma through a crack in a mid-oceanic ridge. Some of the worksheets for this concept are Sea floor spreading work, Inside earth work, A model of seafloor spreading, Sea floor spreading, Name date sea floor spreading l 1 2 3, Continental drift sea floor spreading and plate tectonics, Lab work plate tectonics, Magnetic reversals activity. As a result, sensitive equipment was constructed that could detect. Convection current. Sea floor spreading pg 23 29 sea floor spreading c4l2 key concept review reinforce seafloor spreading model name date block sea floor spreading worksheet printable free educations kids. Opportunities and Obstacles - Incorporating Positive Psychology : dissertation ‘Opportunities and Obstacles' Dissertation u0636038 Page 1 1/25/2009 Lucy Ryan u0636038 MSc Applied Positive Psychology Module: PYM706, Semester A (2008) Dissertation “Opportunities and Obstacles – Incorporating Positive Psychology into Business Coaching” Submitted: January 5th, 2009pseudoscientific. Explain how fast the Pacific and Atlantic plates are moving. Laboratory Activities: These activities do not require elaborate supplies or extensive pre-lab preparations. Three main things that he researched: Saw magnetic stripes. SONAR works by shooting sound waves at an object and measuring how long it takes for it to bounce back. 3) The magnetic history of the seafloor bears the _____ pattern of the Earth’s. 2) Convection Current Drives Plate Motions Pg. If the area shown in this figure is 240 kilometers wide, and the oldest crest is 4 million years old, what was the approximate rate of seafloor spreading across this ridge? ***photo of polarity. Name: _____ Modeling Sea-Floor Spreading Lab Activity Problem How does sea-floor spreading add material to the ocean floor? Materials Scissors metric ruler 2 sheets of paper colored marker Procedure 1. “Geoworld” Plate Tectonics Lab 3 6. Basalt, the once-molten rock that makes up most new oceanic crust, is a fairly magnetic substance, and scientists began using magnetometers to measure the magnetism of the ocean floor in the 1950s. 3 (B) Use models to represent aspects of the natural world such as an atom, a molecule, space, or a geologic feature. Perhaps this is a sign that full sea-floor spreading in Afar is imminent, at least on geological timescales. Give one example of how subduction is different than sea-floor spreading 1) Seafloor spreading adds crust, subduction gets rid of it 2) Seafloor spreading happens at mid-ocean ridges, subduction occurs at deep-floor trenches. The colors in the animation illustrate both the age of the ocean floor and the symmetry of sea floor spreading. Draw stripes across one sheet of paper, parallel to the short sides of the paper. Procedure. LAB 15 Sea Floor Spreading GENERAL SCIENCE 1110L LAB LAB 9: Sea Floor Spreading. Learn vocabulary, terms, and more with flashcards, games, and other study tools. D) Seafloor spreading produces major characteristics of the seafloor: 1) The age of the seafloor is progressively _____ away from mid-ocean ridges. 6 Debate and search for mechanism. p17-19 and Chapter 12 p. SEA-FLOOR SPREADING MODEL LAB. If you need any help completing, please stop by to talk to me. Ocean Depth (y-axis) for the Atlantic Profile graph. Using the Mid-Oceanic Rigde Map on page and the Paleomagnetic Time Scale on Page , calculate the rate of sea floor spreading for the southern portion of the map on page 4 (in millimeters per year). SONAR SOund Navigation And Ranging (Science starting working on the idea around 1914 and perfected it around the 1930- 1940. Spreading rate is the rate at which an ocean basin widens due to seafloor spreading. They will make you ♥ Physics. When completing the worksheet you will analyze magnetic profiles of the ocean floor. 2) The elevation of the seafloor is progressively lower away from mid-ocean ridges. the 2nd evidence of seafloor spreading. The stripes should vary in spacing and. On the ridge flanks the depth of the seafloor (or the height of a location on a mid-ocean ridge above a base-level) is correlated with its age (age of the lithosphere where depth is measured). Change is our work as agile coaches and leaders. Modeling Sea-Floor Spreading Lab Questions Dynamic Earth Unit – Chapter 4 Name:_____ Date: _____ Answer the following questions using your model of sea-floor spreading. Sea Floor Spreading Worksheet Use the figure above to answer the following questions. a (6–8 can be in any order) 6. Ocean Floor Features Vocab Crossword Wordmint The ocean floor worksheets diagram geologic landforms of the ocean floor geological ocean floor features activity worksheets teachers pay seafloor spreading questions q. Their paper is the first to explain the characteristic spacing of abyssal hills quantitatively as a function of seafloor spreading rate within a single theoretical framework. 3 (B) Use models to represent aspects of the natural world such as an atom, a molecule, space, or a geologic feature. Seafloor Spreading: II. )The teacher will take students to the computer lab to view a video on the ocean floor. The state run lab is leading the way in the fight against the global pandemic. What happens when a tectonic plate gets subducted? It melts into magma 2. Seafloor spreading is the creation of new seafloor or new oceanic crust 5. , 2013) and Troodos (Mukasa and Ludden, 1987; Osozawa et al. Virtual Reality Concert In Helsinki Attracts Over 1 Million Spectators Google Play has been spreading advanced Android malware for years Google’s medical AI. D) Open internet, open notes, open labs, table group and teacher supported. (The rate at which new oceanic lithosphere is added to each tectonic plate on either side of a mid-ocean ridge is the spreading half-rate and is equal to half of the spreading rate). Scientist Harry Hess came up with the idea of sea-floor spreading in 1960. This spreading occurs at about the same rate as your fingernails grow. When echo sounding devices were invented, detailed maps could finally be drawn. % Progress. Beyond ocean shorelines, the continents extend outward. Worksheets are Sea floor spreading work, Inside earth work, A model of seafloor spreading, Sea floor spreading, Name date sea floor spreading l 1 2 3, Continental drift sea floor spreading and plate tectonics, Lab work plate tectonics, Magnetic reversals activity. In this activity, you will observe the pattern and learn to calculate the rate of sea floor spreading. Buckeye Career Center High school visitation. California Geology & Hazards. }, title = {Past and present seafloor age distributions and the temporal evolution of plate tectonic heat transport}, journal = {Earth Planet. Harry Hess proposed the ideas of sea floor spreading. explain and support the theory of plate tectonics. Virtual Lab # 3 & #4 (Forces and Fluids - Page 241 & 258) ch_7_virtual_labs_3___4. D) Open internet, open notes, open labs, table group and teacher supported. Layers of the Earth. Seafloor Ages. Modeling Sea-Floor Spreading Along the entire length of Earth's mid-ocean ridge, the sea floor is spreading. 2 Sea-Floor Spreading Lab: Modeling Sea-Floor Spreading Weekly Overview 11/18 - 11/22 11/18: Section 2. symbolics-dk. Rock samples. Modeling Seafloor Spreading Adapted from a lesson developed by San Lorenzo USD Teachers: Julie Ramirez, Veenu Soni, Marilyn Stewart, and Lawrence Yano (2012) Teacher Background The process of seafloor spreading created the seafloor of the oceans. Sea floor spreading occurs at the mid-ocean ridge where two plates are moving away from each other. During the 1960s, geologists found that the sea-floor spreading hypothesis successfully explains several previously baffling observations. Spreading rate is the rate at which an ocean basin widens due to seafloor spreading. Seafloor Spreading Calculator This "Seafloor Spreading Rates Calculator" calculates the spreading rate at any point on mid-ocean ridges. It is an underwater mountain range that forms when magma pushes up on the crust at a divergent boundary. Spreading rates determine if the ridge is fast, intermediate, or slow. SONAR SOund Navigation And Ranging (Science starting working on the idea around 1914 and perfected it around the 1930- 1940. Modeling Sea-Floor Spreading Along the entire length of Earth’s mid-ocean ridge, the sea floor is spreading. The Ocean Floor Worksheet. Modeling Sea Floor Spreading Lab (pdf or google doc) Sea Floor Spreading Article (pdf or google doc) Pangea Puzzle Playdough Plate Tectonics Activity (pdf or google doc) Layers of the Earth & Plate Tectonics Homework Packet - collected February 12th, 2013 Guided Reading: Layers of the Earth (pdf or google doc) Guided Reading: Continental Drift. Lectures by Walter Lewin. Rotation 2 (Tuesday)→ Sea Floor Spreading Activity Virtual Trip across the Atlantic (Step by Step section 2) in lab 108 HW: Topography graph on the Depth of the Atlantic is due Wed. Seafloor spreading happens at the bottom of an ocean as tectonic plates move apart. You will recall from a previous chapter that there are three major layers (crust, mantle, core) within the earth that are. MEMORY METER. Three main things that he researched: Saw magnetic stripes. Give one example of how subduction is different than sea-floor spreading 1) Seafloor spreading adds crust, subduction gets rid of it 2) Seafloor spreading happens at mid-ocean ridges, subduction occurs at deep-floor trenches. Seafloor spreading is the creation of new seafloor or new oceanic crust 5. China's priority is. The old rocks were also denser and thicker compared to the thinner and less dense rocks in the mid. This is made to be done on Excel or similar program, but you can do it by hand. , 2012) ophiolites. Based on a map prepared by the U. Sediment Deposition Supports Seafloor Spreading — Student Guide 3 What To Do 1 The gray circles on the map represent drill sites where the JOIDES Resolution collected sediment cores from the ocean floor during Ocean Drilling Program (ODP) expedition 168 in 1996. You can take virtual tours of some of the highlights thank to the new 2011 Seafloor Tour, which takes you to places such as the Lamont Sea Mounts with their pristine slopes and Moterey Submarine. Students use compasses and bar magnets to simulate the collection of sea floor magnetic polarity data. As two tectonic plates slowly separate, molten material rises up from within the mantle to fill the opening. It told me I needed to get Flash, but when I clicked on that, it just needed me to click on "allow. Rotation 2 (Tuesday)→ Sea Floor Spreading Activity Virtual Trip across the Atlantic (Step by Step section 2) in lab 108 HW: Topography graph on the Depth of the Atlantic is due Wed. Note that the seismically detected LAB beneath the mature lithosphere is ~ 80–85 km in depth (Kawakatsu et al. Oceanic crust has been likened to a tape recorder moving on a giant sea-floor conveyor belt. Some of the worksheets for this concept are Sea floor spreading work, Inside earth work, A model of seafloor spreading, Sea floor spreading, Name date sea floor spreading l 1 2 3, Continental drift sea floor spreading and plate tectonics, Lab work plate tectonics, Magnetic reversals activity. Spreading rates determine if the ridge is fast, intermediate, or slow. Samples collected from the ocean floor show that the age of oceanic crust increases with distance from the spreading centre—important evidence in favour of this process. Highlight/Underline and number evidence. For example, every million years the Earth's magnetic poles tend to reverse 4 or 5 times. Many rocks contain tiny particles of magnetic minerals. Visit the post for more. a Section 3 (page 21) 1. Last year, I decided to incorporate the modeling process into a project. Glencoe Science Grade 7 Mastering the Arkansas Science Standards - SE Glencoe Biology Glencoe Biology Mastering the Arkansas Science Standards - SE. How Do Rocks Respond to Stress? How Are Mountains Related to Plate Tectonics. This lesson plan is useful for elementary, secondary, middle school, and university students. Sea Floor Spreading occurs at the mid-ocean ridge where two plates are moving away from each other. Sea floor spreading with Bill Nye--explains how Harry Hess helped identify the mid-ocean ridge during the world wars. Materials For each pair of students: • one copy of the sea-floor spreading model • scissors • colored pencils (orange, yellow, green, blue) • tape Student. The center slit represents a Mid-Ocean Ridge 2. Virtual Lab The Effects of Carbon Dioxide and Light on Photosynthesis Presentations Food Web Balance 8. At the Mid-Atlantic Ridge (and other places), material from the upper mantle rises through the faults between oceanic plates. To understand the concept of Seafloor Spreading, we must first understand some basic concepts that form the cornerstones for the concept of Seafloor Spreading. Hess took rock samples close to the ridge and far from it. " Bell Work 1/17: In your own words, explain how each piece of evidence supports the Theory of. Find Sea-floor Spreading lesson plans and worksheets. Modeling Sea-Floor Spreading - Ms. Plate Tectonic Setting. Materials Needed: 2 different colored markers. Recommended for you. 2, asked by Wolf on October 4, 2017; science. What has been the average rate and direction of seafloor spreading in cm per year (cm/yr) east of the Juan de Fuca Ridge, from B to C Show your work. ocean floor worksheets pdf Ask students to look at the map on the second page of their worksheets. Seafloor spreading: Image from interactive diagram by Earthguide at Scripps Institution of Oceanography. Sea-Floor Spreading Lab INTRODUCTION In the late 1950s, considerable research was conducted to find a means of detecting large steel objects beneath the ocean surface (submarines). Lab 2 Activities. “We’re actually part of a big nationwide international effort that the CDC is putting on to actually take all this viral DNA and make it open to all researchers around the world, all the public health around the world, so we actually can be one big unified front. Using the magnetic anomaly patterns in the Aragorn Ocean, determine when sea floor spreading started to form the Aragorn Ocean crust (remember, spreading is not actively going on now but it was at one time). Seafloor spreading definition, a process in which new ocean floor is created as molten material from the earth's mantle rises in margins between plates or ridges and spreads out. What has been the average rate and direction of seafloor spreading in cm per year (only) west of the Juan de Fuca Ridge, from B to A show your work 3. Each student will need to view on their own computer. 2 Sea-Floor Spreading Lab: Modeling Sea-Floor Spreading Weekly Overview 11/18 - 11/22 11/18: Section 2. Plate Tectonic Setting. The rare combination of geological dynamics present in the Gulf of California makes it an ideal place to advance our understanding of deep ocean hydrothermal ecosystems. When the magnetic pole switches, so do the stripes. Transform Boundaries- Grinding Plates. edu 2017 01 25 11 08 -> Source : www. This interactive activity is simple to prepare and to execute and allows the students to understand seafloor spreading and the position of newer rock and older rock in relation to the mid-oceanic ridge. These plates “float” atop an underlying rock layer called the asthenosphere. Magnetic Reversals and Seafloor Spreading--video; What happens when Earth's magnetic field reverses?--video; Plate Tectonics--short video from BioInteractive that helps explain how convection currents move the plates. Activity 2: Magnetic Reversals and Sea-Floor Striping A key factor in establishing the theory of plate tectonics was recognition of past reversals in the Earth's magnetic field and the mapping of normal and reverse magnetic striping on the ocean floor. The diagram on the next page represents the ocean floor in the North Atlantic Ocean. Sea Floor Spreading Notes. Stars and Galaxies. 2 This hypothesis had more to do with the eventual acceptance of continental drift theory in the form of plate tectonics by most researchers in the geosciences during the late sixties than any. Contours of 20 million years are available as a layer that is currently set to invisible. Wait a few seconds for it to load, and there should be a movie. ,The processes of subduction and sea-floor spreading can change the size and shape of the oceans. Do the same for subduction. EarthByte is an internationally leading eGeoscience collaboration between several Australian Universities, international centres of excellence and industry partners. Subduction is the process by which the ocean floor sinks beneath a deep-ocean trench and back into the mantle. https://www. As two tectonic plates slowly separate, molten material rises up from within the mantle to fill the opening. Because the oldest sea floor shown on the map is 156 million years old, it is best to calculate an average spreading rate over some time period longer than about 50 million years. 2 (4 Words) Due: 12/9 12/6: Section 3. 3B) Day 1: Lecture / Film: Earth Revealed, Plate Dynamics (28 minutes) Day 2: Lab: Pinatubo Ash Lab Day 3: Computer Lab: Mantle Plumes Day 4: Discussion / Test / Study Guide Section 3: (3. Learn vocabulary, terms, and more with flashcards, games, and other study tools. 2 labs have been set out for you to complete: Seafloor Spreading- Divergent Plate Boundaries and Sea Floor Spreading Student Activity Kit. After the war, this technology was used to map the ocean floor. pdf FREE PDF DOWNLOAD ES 106 Laboratory # 4 - Western Oregon University. A) prettier B) newer C) younger D) older E) rockier 13. Part 1 - The Atlantic Ocean (1) The major topographic feature of the Atlantic Ocean floor is called the _____. 1) What feature of the ocean floor is shown at A? 2) Describe the process shown occurring at B, and explain what results from this. Sea Floor Spreading Notes. There are three key areas of. To calculate the rate of the spreading, you need to use the following formula: the distance the sea floor moved divided by the length of time. 5 Matlab, Unix, and Seafloor Bathymetry! I. What formula do you use to calculate the rate of movement in this lab? How did scientists me their knowledge of seafloor spreading and magnetic. Learning Target: Evaluate evidence of the past and current movements of continental and oceanic crust and the theory of plate tectonics to explain the ages of crustal rocks. Sea floor spreading centers would adjust to plate motion and change direction rather than continue on in a straight path in what was known as “propagating rifts”. The strips of paper represent oceanic crust or seafloor. Label each illustration. What do the side slits stand for? What does the space under the paper stand for? 3. seafloor spreading 7. You will develop skills in reading, writing, laboratory-work, oral presentations, and evaluating the scientific importance behind the study of the Earth. In the following activity, you will build a model to help understand this process. 3) Oceanic and Continental Crust Pg. Sea-Floor Spreading Lab. What was the depth and magnitude of the earthquake? What was the death-toll? Were there any mitigation efforts?. Here is a virtual field trip along the San Andreas fault. Start a new experiment on the data collection system. This dataset shows the age of the ocean floor along with the labeled tectonic plates and boundaries. 12/3: Section 3. Plates I Activity 2: Magnetic Reversals and Sea Floor Striping Name: Lab Section: Date: Figure 1 shows the ocean floor around a spreading ridge. D) Seafloor spreading produces major characteristics of the seafloor: 1) The age of the seafloor is progressively _____ away from mid-ocean ridges. Additional lab preparation information is provided in the Teacher Guide and Answers section. Distinguish among types of plate tectonic settings produced by plates diverging, converging, and sliding past each other. 2 Sea-Floor Spreading Lab: Modeling Sea-Floor Spreading Weekly Overview 11/18 - 11/22 11/18: Section 2. 1) What feature of the ocean floor is shown at A? 2) Describe the process shown occurring at B, and explain what results from this. Science Textbook. Pangaea Puzzle. The sea floors are growing. For background, go to the Basics page on Plate Tectonics/Paleomagnetism. The magma spreads out and pushes older rocks to both sides of the ridge. Review Questions [ edit ] Describe how sound waves are used to develop a map of the features of the seafloor. Plate Tectonics - Glencoe You know from your textbook how seafloor spreading changes the ocean floor. 1) What feature of the ocean floor is shown at A? 2) Describe the process shown occurring at B, and explain what results from this. Spreading rates determine if the ridge is fast, intermediate, or slow. Marie Tharp and Bruce Heezen were the first discover the mid-ocean ridge. >At the Juan de Fuca Ridge the spreading process creates an average width of 6m of new crust every hundred years. Use tape for reinforcement. This worksheet has 8 fill in the blank questions. Sea Floor Spreading occurs at the mid-ocean ridge where two plates are moving away from each other. Based on the distribution of color on the map, which ridge is spreading faster, the Mid-Atlantic Ridge or the East Pacific Rise (ridge and rise are both nicknames for a mid-oceanic ridge)?. First map of the Mid-Atlantic ridge: From "World Ocean Floor Panorama", Authors Marie Tharp and Bruce C. If the area shown in this figure is 240 kilometers wide, and the oldest crest is 4 million years old, what was the approximate rate of seafloor spreading across this ridge? ***photo of polarity. These plates "ride" on the hot plastic upper mantle called the asthenosphere. The reason for this is that the lithosphere is essentially "floating on the asthenosphere. Sea-Floor Spreading. The educational charts assist all levels and subjects with lesson reinforcement. On the basis of Tharp's efforts and other new discoveries about the deep-ocean floor, Hess postulated that molten material from Earth's mantle continuously wells up along the crests of the mid-ocean ridges that wind for nearly 80,000 km. ppt from CIT SCT 101 at Kenyatta University. animation III. These student-oriented labs are designed to explore science through a stimu-lating yet simple and relaxed approach to each. One copy of the sea-floor spreading model (see following page) Scissors. Plate Tectonics Includes: Reproducible Student Pages ASSESSMENT Chapter Tests Chapter Review HANDS-ON ACTIVITIES Lab Worksheets for each Student Edition Activity Laboratory Activities Foldables-Reading and Study Skills activity sheet MEETING INDIVIDUAL NEEDS Directed Reading for Content Mastery. Basalt, the once-molten rock that makes up most new oceanic crust, is a fairly magnetic substance, and scientists began using magnetometers to measure the magnetism of the ocean floor in the 1950s. Ages for ocean floor between the oldest identified magnetic anomalies and continental crust are interpolated by geological estimates of the ages of passive continental margin segments. Free Online Library: Deep-sea detectives: follow the trail to unravel a seafloor mystery. As two tectonic plates slowly separate, molten material rises up from within the mantle to fill the opening. Sea floor spreading project answer key lab 4 seafloor spreading paleomagnetism and seafloor spreading 3 7 determin chegg com seafloor spreading grade 9 free printable tests and worksheets. If the pulling con-. Activities include dating the initiation of sea-floor spreading, determining the sense of offset on transform faults. The data is from four companion digital models of the age, age uncertainty, spreading rates and spreading asymmetries of the world's ocean basins. Evidence for Sea-Floor Spreading. Modeling Sea-Floor Spreading Along the entire length of Earth's mid-ocean ridge, the sea floor is spreading. This versatile model is perfect for hands-on investigations in hydrography. Connect a magnetic field sensor to the data collection system. Modeling Sea-Floor Spreading Along the entire length of Earth’s mid-ocean ridge, the sea floor is spreading. Students use compasses and bar magnets to simulate the collection of sea floor magnetic polarity data. 1 Mechanism Explaining Sea Floor Spreading - Basics for Plate Tectonics - Duration: 14:41. 11: Explain how HYDROTHERMAL Vents are formed:. In this plate tectonics worksheet, 5th graders are given notes with diagrams showing Earth's layers, the tectonic plates, evidence of Pangaea, sea-floor spreading and the types of boundaries. Record your answer. 7 Evidence for Sea-Floor Spreading. 9: What does the rate of spreading dictate? The rate of spreading indicates by influences/persuades the topography of the ridge. WRITE the question & correct answer on notebook paper. Plates I Activity 2: Magnetic Reversals and Sea Floor Striping Name: Lab Section: Date: Figure 1 shows the ocean floor around a spreading ridge. Each student will need to view on their own computer. View the interactive image by Joan Mylin. •Pelagic sediments cover about ¾ of the sea floor. This is made to be done on Excel or similar program, but you can do it by hand. Question How can a model show sea floor spreading? Procedure 1. To demonstrate this idea, you will now complete Vernier. Lab: Sea Floor Spreading. Because the oldest sea floor shown on the map is 156 million years old, it is best to calculate an average spreading rate over some time period longer than about 50 million years. SONAR SOund Navigation And Ranging (Science starting working on the idea around 1914 and perfected it around the 1930- 1940. National Standards Addressed Earth and Space Science, Grades 5-8: The solid earth is layered with a lithosphere; hot, convecting mantle; and dense, metallic core. Based on ages of the oldest rocks in the North and South Atlantic, describe how and when the Atlantic Ocean formed, and how its shape has changed through time. As a result, sensitive equipment was constructed that could detect. Imagine you are studying seafloor spreading along two different oceanic ridges. LAB 15 Sea Floor Spreading GENERAL SCIENCE 1110L LAB LAB 9: Sea Floor Spreading. sea floor spreading worksheet pdf 28 images jesei seafloor from Sea Floor Spreading Worksheet, source:africaaction. In the Atlantic, the plates move away from the mid-ocean ridge at a rate of about one centimeter per year. Here, magma rises up from below as the sea floor spreads out to either side as shown in Figure 1. com General Science 1110l Lab 9 Sea Floor Spreading -> Source : web2. Lesson 5- sea-floor-spreading 1. • Lithospheric plate with oceanic crust is dragged down at trenches. Pelagic and Neritic Sediment Distribution Distribution controlled by •Proximity to sources of lithogenous sediments •Productivity of microscopic marine organisms •Depth of water •Sea floor features Pelagic and Neritic Sediment. Understand how geomagnetic reversals provided evidence for sea-floor spreading. Sea floor spreading with Bill Nye--explains how Harry Hess helped identify the mid-ocean ridge during the world wars. " Page 93- "The Theory of Continental Drift" notes (see ppt. MEMORY METER. The principle may be demonstrated as follows: • Prepare a cardboard model of magnetic stripes. [Filename: Lab_06. Plate tectonics is the combination of the seafloor spreading and continental drift. Activity of the Month Activity of the Month - June, 2008 Plate Tectonics and Contributions from Scientific Ocean Drilling Summary In this activity. pdf] - Read File Online - Report Abuse. You will develop skills in reading, writing, laboratory-work, oral presentations, and evaluating the scientific importance behind the study of the Earth. On the map, rocks with reverse magnetic polarity are represented by white bands and those with normal polarity by gray If ocean-floor spreading produces symmetric magnetic anomaly patterns across a. Rocks on the seafloor on either side of a mid-ocean spreading ridge preserve a record of the Earth's magnetic field over time. • Plate tectonics describes the distribution and motion of the plates. Introduction: According to the theory of plate tectonics (from the Greek, tetko, 'builder') the Earth's crust is broken into many slowly moving plates. This is a nice way to teach plate tectonics to high school students. Sea floor spreading project answer key lab 4 seafloor spreading paleomagnetism and seafloor spreading 3 7 determin chegg com seafloor spreading grade 9 free printable tests and worksheets. Evidence of Sea-floor Spreading How do we know sea-floor spreading is happening? Seafloor Spreading Interactive Rock samples taken from the sea-floor show that the oldest rocks are further from mid-ocean ridges. Iceland; Azores. When completing the worksheet you will analyze magnetic profiles of the ocean floor. major earthquakes Key Terms (page 22) 1. * Lines are called contour lines. 2) Convection Current Drives Plate Motions Pg. The Ridge 2000 program is an interdisciplinary research program sponsored by the National Science Foundation that is focused on integrated studies of all aspects of the Earth's oceanic spreading centers - from mantle to microbe. * closer lines are steeper elevation. deep-sea trenches 8. You can take virtual tours of some of the highlights thank to the new 2011 Seafloor Tour, which takes you to places such as the Lamont Sea Mounts with their pristine slopes and Moterey Submarine. Subduction is the process by which the ocean floor sinks beneath a deep-ocean trench and back into the mantle. Just as there are mountains, valleys, and plains on dry land, the ocean floor is comprised of long mountain chains, deep trenches, and flat plains. Structural geology and tectonics, Oceanic lithosphere, Seafloor spreading, Natureal and experimental lava flows Fingerprint Dive into the research topics where Jeffrey Alan Karson is active. Worksheets are Sea floor spreading work, Inside earth work, A model of seafloor spreading, Sea floor spreading, Name date sea floor spreading l 1 2 3, Continental drift sea floor spreading and plate tectonics, Lab work plate tectonics, Magnetic reversals activity. So, if you’d like to secure the fantastic photos regarding (4 Sea Floor Spreading. Built-in data sets include those related to land and ocean topography, seafloor spreading and plate tectonics, polar sea ice cover and ocean temperature, geological maps, and sea-level rise. They can develop on the seafloor or on land. Click http://www. Even though the students do not directly observe the magnets, they use the information to infer tectonic processes present at the mid-ocean ridges and calculate the spreading rates for two different ridges. The ocean floor spreading eastward is subducted and destroyed relatively soon after formation. The goal of this virtual lab is to explore how plate properties affect different types of formations created at diverging plate boundaries. According to this report from Hubspot, more than 50% of consumers want to see videos from brands more than any other type of content. The rare combination of geological dynamics present in the Gulf of California makes it an ideal place to advance our understanding of deep ocean hydrothermal ecosystems. This spreading occurs at about the same rate as your fingernails grow. It is an underwater mountain range that forms when magma pushes up on the crust at a divergent boundary. Make an appoint to discuss w/Mr. ppt from CIT SCT 101 at Kenyatta University. Learn vocabulary, terms, and more with flashcards, games, and other study tools. On the ridge flanks the depth of the seafloor (or the height of a location on a mid-ocean ridge above a base-level) is correlated with its age (age of the lithosphere where depth is measured). Lab 4-3: Sea-Floor Spreading Pages 155 158 Vocab Sea-Floor Spreading: Ocean crust is created at a. If the ridge is slowly growing, it shows a steep and irregular topography, and is narrow. 1) Seafloor spreading adds crust, subduction gets rid of it 2) Seafloor spreading happens at mid-ocean ridges, subduction occurs at deep-floor trenches. Layers of the Earth. The age, spreading rate, and asymmetry at each grid node are determined by linear interpolation between adjacent seafloor isochrons in the direction of spreading. At deep-ocean trenches, subduction allows part of the ocean floor to sink back into the mantle, over tens of millions of years. plate_boundary_activity.  Seafloor Spreading and Magnetic Reversals The Ring of Fire The Virtual Textbook above contains important information about many topics related to Earthquakes, Seismic Waves, Hazards, and Earthquake Forecasting. In any case, the short duration of the seafloor spreading implied by our data is similar to the duration of spreading implied for the Samail (Rioux et al. At the spreading center on a mid-ocean ridge the depth of the seafloor is approximately 2,600 meters (8,500 ft). Modeling Seafloor Spreading Adapted from a lesson developed by San Lorenzo USD Teachers: Julie Ramirez, Veenu Soni, Marilyn Stewart, and Lawrence Yano (2012) Teacher Background The process of seafloor spreading created the seafloor of the oceans. Grading Policy Update: Between now and the end of the semester, I will continue to enter grades into the Infinite Campus gradebook as usual, so your grade may fluctuate. First map of the Mid-Atlantic ridge: From "World Ocean Floor Panorama", Authors Marie Tharp and Bruce C. The Seafloor Spreading and Subduction learning objective — based on NGSS and state standards — de Legends of Learning - Plate Tectonics. It is an underwater mountain range that forms when magma pushes up on the crust at a divergent boundary. Seafloor Spreading. The US government reacted too slowly to contain the COVID-19 pandemic as the virus was spreading from Europe, which led to the surge of. Plate tectonics is the combination of the seafloor spreading and continental drift. Evidence for Sea-Floor Spreading. Spreading rate is the rate at which an ocean basin widens due to seafloor spreading. The center slit represents a Mid-Ocean Ridge 2. Locate the. Sediment Deposition Supports Seafloor Spreading — Student Guide 3 What To Do 1 The gray circles on the map represent drill sites where the JOIDES Resolution collected sediment cores from the ocean floor during Ocean Drilling Program (ODP) expedition 168 in 1996. " Page 93- "The Theory of Continental Drift" notes (see ppt. Lab: Sea Floor Spreading. a Section 3 (page 21) 1. , 2012) ophiolites. These pages illustrate, through reconstruction maps, animations and few comments, the main results of a new quantitative model of the tectonic evolution of the Tethyan realm since Early Jurassic. Dynamic Earth Sea-Floor Spreading Lab Introduction: According to the theory of plate tectonics (from the Greek, tetko, ‘builder’) the Earth’s crust is broken into many slowly moving plates. Step 1: Find the United States, Africa, and Europe on the map. Explain when, where, what, how, and why it occurred. com Science Matters 6th Earth Plate Tectonics -> Source sbsciencematters. The end of seafloor spreading in the Tasman Sea and Coral Sea and the onset of compressional events in New Caledonia at about 50 Ma seem to be related to 1) the change in both direction and velocity of absolute motion in the Pacific Plate that caused oblique compression between the Australian and the Pacific plates, or (2) the inception of. Density of Solid Objects. Physics revision site - recommended to teachers as a resource by AQA, OCR and Edexcel examination boards - also recommended by BBC Bytesize - winner of the IOP Web Awards - 2010 - Cyberphysics - a physics revision aide for students at KS3 (SATs), KS4 (GCSE) and KS5 (A and AS level). 3) The magnetic history of the seafloor bears the _____ pattern of the Earth's. See Additional References and Resources in A Model of Sea-Floor Spreading for information about how to obtain maps of the ocean floor and books, slides, and videos relating to the sea floor. Click http://www. As a result, sensitive equipment was constructed that could detect very small changes in the earth's magnetic field - and could be carried in. You will develop skills in reading, writing, laboratory-work, oral presentations, and evaluating the scientific importance behind the study of the Earth. Graham Cracker Plate Tectonics Lab Just a little info… The Theory of Plate Tectonics states that the crust of the Earth is composed of seven major plates and numerous smaller plates. Introduction: According to the theory of plate tectonics (from the Greek, tetko, 'builder') the Earth's crust is broken into many slowly moving plates. The age, spreading rate, and asymmetry at each grid node are determined by linear interpolation between adjacent seafloor isochrons in the direction of spreading. and M{\"{u}}ller, R. On the basis of Tharp's efforts and other new discoveries about the deep-ocean floor, Hess postulated that molten material from Earth's mantle continuously wells up along the crests of the mid-ocean ridges that wind for nearly 80,000 km. Part 1 studies spreading of plates from a mid-ocean ridge. The seafloor spreading hypothesis was proposed by the American geophysicist Harry H. Spreading Started m. SONAR works by shooting sound waves at an object and measuring how long it takes for it to bounce back. 3B) Day 1: Lecture / Film: Earth Revealed, Plate Dynamics (28 minutes) Day 2: Lab: Pinatubo Ash Lab Day 3: Computer Lab: Mantle Plumes Day 4: Discussion / Test / Study Guide Section 3: (3. Do the same for subduction. Marie Tharp and Bruce Heezen were the first discover the mid-ocean ridge. The East Pacific Rise is a mid-ocean ridge that runs through the eastern Pacific Ocean and separates the Pacific plate from the North American. Evidence of Sea-floor Spreading How do we know sea-floor spreading is happening? Seafloor Spreading Interactive Rock samples taken from the sea-floor show that the oldest rocks are further from mid-ocean ridges. 19 - PhET: Free online. A part of the ma. Use this for #8 seafloor spreading in plate tectonics. 9: What does the rate of spreading dictate? Influences the topography of the ridge. Sea-floor spreading is part of the plate tectonics theory. At the Mid-Atlantic Ridge (and other places), material from the upper mantle rises through the faults between oceanic plates. 3: How long/wide the is mid-ocean ridge system? Where is it located? It is 65000 km. students will use actual data from historic oceanographic cruises to examine sea floor spreading. Explain 30 minutes 4. Sea Floor Spreading. Recommended for you. Activity #2. @article{becker09, author = {Becker, T. Continental Drift, Sea Floor Spreading and Plate Tectonics Plate Tectonics is a theory developed in the late 1960s, to explain how the outer layers of the Earth move and deform. Due to this, continuous Seafloor spreading occurs and makes Atlantic Ocean floor to be connected to other continental crust making the ocean gets wider over the time. https://www. The process continues today. Time Needed: 45 minutes, or one full class period. Select a different earthquake and see if you can complete it. HELLO regents Earth Science class! It's VICI! Here are some answers to the lab I found!. Rotation 2 (Tuesday)→ Sea Floor Spreading Activity Virtual Trip across the Atlantic (Step by Step section 2) in lab 108 HW: Topography graph on the Depth of the Atlantic is due Wed. This is the location for seafloor spreading which creates more crust. Use a model to illustrate that energy from Earth’s interior drives convection that cycles Earth’s crust, leading to melting, crystallization, weathering, and deformation of large rock formations, including generation of ocean sea floor at ridges, submergence of ocean sea floor at trenches, mountain building, and active volcanic chains. This process is called sea-floor spreading. Seafloor Spreading Introduction: Along the entire length of Earth’s mid-ocean ridge, the sea floor is spreading. Molten rock flows onto the seafloor and hardens as it cools. The spreading process creates an average width of (c) 6 m of new crust every 100 years. Since the lesson itself is pretty ambitious in terms of what students are tasked to do, it necessitates at least two periods (I have around 60 minutes/period) of task time in order for students to complete everything. The Theory of Plate Tectonics. With the Sea Floor Spreading and Plate Tectonics Classroom Activity Kit for Earth science and geology, simulate the amazing process of sea floor spreading and continental drift over geological time. In this activity, you will observe the pattern and learn to calculate the rate of sea floor spreading. Magma is pushed up through the ridges in the seafloor to form new oceanic crust. China's priority is. Ocean Bottom Seismology Lab. Plate tectonics is the combination of the seafloor spreading and continental drift. Note that the seismically detected LAB beneath the mature lithosphere is ~ 80–85 km in depth (Kawakatsu et al. Laboratory Activities: These activities do not require elaborate supplies or extensive pre-lab preparations. Plate Tectonics Virtual Lab:. https://www. Lab: Sea Floor Spreading. The test remains prescription only. Seafloor Ages. At deep-ocean trenches, subduction allows part of the ocean floor to sink back into the mantle, over tens of millions of years. Start a new experiment on the data collection system. Click http://www. 10: How hot can sea water be heated to at the mid-oceanic ridges? 400°C at the Mid-Oceanic Ridge. 2) The elevation of the seafloor is progressively lower away from mid-ocean ridges. Sea Floor Spreading. Lab Worksheet - Plate Tectonics page 1. Do the same for subduction. Samples collected from the ocean floor show that the age of oceanic crust increases with distance from the spreading centre—important evidence in favour of this process. Subduction and sea-floor spreading are processes that could alter the size and form of the ocean. Sea floor spreading means that the ocean floor is growing. Colored pencils. symbolics-dk. Lab: Sea Floor Spreading. Sea-Floor Spreading Answer Key. Virtual Labs. Science Textbook. The rocks on the seafloor show the history of the magnetic changes in the earth. (*)You have two days to complete this lab on Mapping the Ocean Floor. Sea floor spreading first began with the breakup of Pangaea in the Mesozoic Era. ” 1 What Hess put together was a mass of seemingly unrelated data when he proposed his seafloor spreading hypothesis. Since the lesson itself is pretty ambitious in terms of what students are tasked to do, it necessitates at least two periods (I have around 60 minutes/period) of task time in order for students to complete everything. Eventually, the crust cracks. At the Mid-Atlantic Ridge (and other places), material from the upper mantle rises through the faults between oceanic plates. Sea-floor Spreading In the process of sea-floor spreading, ocean floor moves away from the mid-ocean ridge and lava erupts onto the ocean floor to make new. Using the world wall map or other lab resources, name at least one place where the Mid-Atlantic Ridge is exposed above sea level. In this way the rugged volcanic landscape of a mid-ocean ridge is created along the plate boundary. Using the magnetic anomaly patterns in the Aragorn Ocean, determine when sea floor spreading started to form the Aragorn Ocean crust (remember, spreading is not actively going on now but it was at one time). Worksheet for sea floor spreading. Seafloor spreading can inevitably create new oceans. The end of seafloor spreading in the Tasman Sea and Coral Sea and the onset of compressional events in New Caledonia at about 50 Ma seem to be related to 1) the change in both direction and velocity of absolute motion in the Pacific Plate that caused oblique compression between the Australian and the Pacific plates, or (2) the inception of. 132 - 133: Plate Tectonics Theory. As the magma and lava cool at seafloor spreading centers, whatever magnetic field is present get ingrained into the rock. Whats people lookup in this blog: Sea Floor Spreading Worksheet Answers Pearson Education; Sea Floor Spreading Worksheet Answer Key Pearson Education. When completing the worksheet you will analyze magnetic profiles of the ocean floor. 3) What happens to old oceanic crust as new molten material rises from the mantle?. On the “Mapping the Ocean Floor Lab” handout, plot the Distance from Beach (x-axis) vs. tape 17 cm. Buckeye Career Center High school visitation. Sea Floor Spreading occurs at the mid-ocean ridge where two plates are moving away from each other. Also, creating a model for sea floor spreading will allow you to see a hands-on example of this phenomenon. Seafloor Spreading. These topic labels come from the works of this person. pdf FREE PDF DOWNLOAD ES 106 Laboratory # 4 - Western Oregon University. Sea-Floor Spreading Lab INTRODUCTION In the late 1950s, considerable research was conducted to find a means of detecting large steel objects beneath the ocean surface (submarines). Review Questions [ edit ] Describe how sound waves are used to develop a map of the features of the seafloor. Sea-Floor Spreading Answer Key. Evidence mounts Bathymetric mapping of sea floor [PPT: shaded relief] o Previously, very little known about what was there o Mountain ranges in ocean basins. Know how to convert in the metric system by completing a lab. 2 pieces of paper (11x17 or 8. SONAR works by shooting sound waves at an object and measuring how long it takes for it to bounce back. Lab Seafloor Spreading Rates 3 Theory of Plate Tectonics Lab Predicting Tectonic Activity Virtual Lab Where do most earthquake epicenters and volcanoes occur? [Filename: 46176907. Station #1: Seafloor Spreading Lab and Convergent Inquiry Lab. The virtual ceremony also commemorated the liberation of nearby Ravensbrueck concentration camp. Displaying all worksheets related to - Seafloor Spreading. LAB 15 Sea Floor Spreading GENERAL SCIENCE 1110L LAB LAB 9: Sea Floor Spreading. As the tectonic plate thins, magma starts to come up and fill the cracks. To calculate the rate of the spreading, you need to use the following formula: the distance the sea floor moved divided by the length of time. 5) Mid Ocean Ridges and Sea-Floor Spreading pgs. Mapping the Mid-Ocean Ridge. The process is continuous because forces cause opposite sides of the midocean ridge to constantly move apart, making new room for the process to repeat. •Neritic sediments cover about ¼ of the sea floor. Record your answer. This can result in an ever-widening seafloor at the. Seafloor Spreading Calculator This "Seafloor Spreading Rates Calculator" calculates the spreading rate at any point on mid-ocean ridges. Just How Little Do We Know About The Ocean Floor -> Source : theconversation. Some of the worksheets for this concept are Sea floor spreading work, Inside earth work, Name date sea floor spreading l 1 2 3, A model of seafloor spreading, Sea floor spreading, Sea floor spreading, Modeling sea floor spreading, Chapter 8 plate tectonics. cut paper along. 8 Evidence for Sea-Floor Spreading. When the first cases of the virus were detected in the state, Sanciangco, an expert in GIS, started to wonder if a similar dashboard focused solely on Michigan could be of use to local and state health care, government officials and other interested parties, especially those needing to make decisions related to the outbreak.
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