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Download Exploring the Geosphere and its Processes Name__________________________________
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Exploring the Geosphere and its Processes Name__________________________________ Directions: Follow the directions in each step below and record your findings! 1. Go to the following website and click the play button to run the simulation: http://phet.colorado.edu/en/simulation/plate-tectonics 2. Edit the following settings to explore Earth’s geosphere: At the upper right of the simulation lower the zoom toggle. At the lower right check the “both” and “show labels” boxes. 3. Click & drag the tools in the left corner to measure & record data in the table below for each layer of the geosphere. Hint: you might have to zoom back in for the crust! Geosphere Layer Thickness (Km) Temperature Density Crust Mantle Outer Core Inner Core 4. Explain why the hottest layer whose fluid particles should be the most separated are not the least dense? Remember density from our class discussion is mass (number of particles) over volume (amount of space). ___________________________________________________________________________________________ ___________________________________________________________________________________________ ___________________________________________________________________________________________ 5. Thermal energy (heat) always flows (transfers) from hotter objects to colder objects. Knowing this use arrows in the diagram to the right to demonstrate energy transfer within the geosphere. 6. Switch the simulation to “Plate Motion” by clicking the appropriate tab on top. Select “automatic mode” and “show labels.” Drag the crust into the correct places within the simulation, press the play button, and record your findings in the data table below. Type of Boundary (Movement of Plates) Crust Left Right Continental Y. Oceanic Continental Continental Continental Continental Continental Continental O. Oceanic Continental Y. Oceanic O. Oceanic Y. Oceanic O. Oceanic Y. Oceanic O. Oceanic O. Oceanic O. Oceanic O. Oceanic O. Oceanic Convergent Divergent Transform Which Plate Sinks Under the Other? New Feature Formed? Volcano, Trench, or Mountain Oceanic (right) Volcano Subduction 7. Which type of plate boundaries create subduction zones? What makes one plate sink under the other? (Hint: Toolbox) _______________________________________________________________________________ ___________________________________________________________________________________________ ___________________________________________________________________________________________ ___________________________________________________________________________________________ 8. Each plate boundary is responsible for wreaking havoc on its environment as shown in the simulation with the development of volcanoes, trenches, and mountains. What is formed by transform boundaries when two plates create friction by rubbing against one another? Explain ______________________________________________ ___________________________________________________________________________________________ ___________________________________________________________________________________________ ___________________________________________________________________________________________
