Name: Date: Per. Plate Tectonics Study Guide (Ch. 5)

Transcription

1 Name: Date: Per. Plate Tectonics Study Guide (Ch. 5) 1. Fill in the Chart about heat Transfer Types Description Examples Where it takes place Radiation Sun s rays reaching earth Heat Transfer between objects that are in direct contact Deep currents in ocean In sun 2. Fill in the chart about convection currents Description of Convection Currents Where Convection Currents occur In the sun, the ocean and inside earth: In the Mantle and the Convection Currents are caused by Effects of Convection Currents Differences in and In Mantle: In : Cause Earth s magnetic field 3. What happens to temperature as you down into the earth?

2 4. Fill in the chart about the layers of the earth Layers of the Earth Location Description Thickness Crust 5 to 70 km thick Middle Layer Made of Iron & Nickle 5. Fill in the chart about the layers of the Mantle Layers of Mantle Location Description Lithosphere Top of Mantle Asthenosphere Is the part of the mantle that can bend like plastic Lower Mantle 6. Fill in the chart about the types of crust Type of Crust Thick or Thin Located Type of Rocks OCEANIC Under ocean floor CONTINENTAL Thickest part of crust 7. Fill in the chart about the core Part of Core Description Solid or Liquid Dense ball of nickel and iron Outer Core Liquid metal

3 8. Fill in the chart about continental drift Who came up with idea of continental drift Description of Continental Drift Why was the theory rejected 9. Fill in the chart about sea floor spreading: Where sea floor spreading occurs What happens at mid ocean ridges What happens at trenches 10. Fill in the chart about the evidence for sea floor spreading Types of Evidence Description rocks only form when molten material cools quickly Age of Rocks magnetic properties of rocks on the ocean floor 11. If New York, NY and Madrid, Spain are moving apart at an average rate of 20 cm every 5 years, how much farther apart will they be in 20 years? 12. If Miami, Florida and Morocco, Africa are moving apart at an average rate of 5 cm every 2 years, how much farther apart will they be in 16 years?

4 13. Fill in the chart about the types of boundaries Boundary Types How the plates move Effects Divergent Two plates that come together or collide Earthquakes Vocabulary Definitions:

5 Use the clues about vocabulary words to fill in the definitions in the crossword puzzle Down 1. One thing the theory of plate tectonics explains 2. Dark colored rock that makes up most of the oceanic crust 4. Heat transfer by the movement of currents in a fluid 5. Educated Guess 8. Device used to study the ocean floor 9. Heat transfer within a material or between materials that are touching 10. The supercontinent 15. Transfer of energy through space 16. Produce seismic waves 18. Earth is divided into how many MAIN layers Across 3. The process where one plate slips below another 6. Type of boundary where two plates slide past each other 7. The amount of mass in a given volume of a substance 11. A scientist who studies Earth's interior 12. The layer of hot, solid material between Earth's crust and core 13. Type of boundary where two plates moving apart from each other 14. Underwater mountains that curve around the world (2 words) 17. A section of the lithosphere that slowly moves over the Asthenosphere carrying pieces of the continental and oceanic crust 19. One of the metals that makes up the Earth's core 20. Came up with the hypothesis of continental drift 21. Breaks in the Earth's crust where rocks have slipped past each other 22. A type of boundary where two plates come together or collide