Plate Tectonics I Jeopardy

1. Plate Tectonics I Jeopardy Student Mash D1 Student Mash C Student Mash M Student Mash J Student Mash D2 $100 $100 $100 $100 $100 $200 $200 $200 $200 $200 $300 $300 $300 $300 $300 $400 $400 $400 $400 $400 $500 $500 $500 $500 $500 Final Jeopardy

2. What is Plate Boundaries Measure of the amount of heat leaving rocks of the lithosphere Suggestion made of the two continents being one continent Belts where earthquakes and volcanoes are located None of the above C. Belts where earthquakes and volcanoes are located 1 - $100

3. 1 - $200 • How many major polarity reversals have occurred in the last 4 million years A. 2 B. 3 C. 4 D. 5 • C. 4

4. 1 - $300 • Which plates collided? • Indian Plate with Eurasian Plate • South American Plate with African Plate • All of the Above • None of the above • A. Indian Plate with the Eurasian Plate – how we get the Himalayan  Mountain Range started 50 million years ago

5. 1 - $400 • How long did the Mesosaurus live? Mesosaurus is the reptile fossil Wegner used to figure out Africa and South American were once joined). • 190 million years ago • 270 million years ago • 290 million years ago • 370 million years ago • B. 270 million years ago

6. 1 - $500 • What is the famous volcanoe(s) found along the Pacific Plate? • Mount Saint Helens (WA) and Mount Fujiyama (Japan) • Mount Katmai (Alaska) and Mount Pinatubo (Philippians) • Mount Fujiyama (Japan) and Mount Katmai (Alaska) • All of the above • D. All of the above

7. 2 - $100 • Where is the largest plate belt that is most active? • Artic Ocean. • Gulf of Mexico. • Pacific Ocean. • None of the Above. • C. Pacifc Ocean

8. 2 - $200 • How do we determine the youngest rocks on the ocean floor? • They are near the spreading plate boundaries. • They are far from the plate boundaries. • They are where there was a polar reversal . • None of these. • A. The youngest rocks are closest to the spreading centers at plate boundaries. New magma upwelling

9. 2 - $300 • The first atmosphere that formed above Earth was most likely due to what process? • eruption of volcanoes • movement of water • development of land plants • occurrence of violent storms • A. Eruption of Volcanoes

10. 2 - $400 • Which plates boundaries are moving apart? • The Indian Plate and the Eurasian Plate • The Pacific Plate and the African Plate • The South American Plate and African Plate • All of the Above • C. the South American Plate and African Plate

11. 2 - $500 • What areas are spreading centers? • Where lithospheric plates are moving apart. • Where volcanoes are found erupting lava. • Where older rocks melts and move in one direction • Where sediments are spread at ocean boundaries. • A. Where lithospheric plates are moving apart, forming new rocks and older rocks move away from the boundary equally in both directions carrying continents with them

12. 3 - $100 • The study of the formation and movement of plates____________________ • lithosphere. • Spreading center. • Plate tectonics. • Magnetism. • C. Plate Tectonics

13. 3 - $200 • The lithospheric plates rest upon a layer within the Earth’s mantle:____________? • Spreading center. • Plate tectonics. • Magnetic poles. • Asthensosphere • D. Asthenosphere which is partially melted rock that flows very slowing

14. 3 - $300 • Measure of the amount of heat leaving the rocks of the lithosphere:___________ • Spreading center. • Continental drift. • Magnetic reversals. • Heat flow. • D. Heat flow. Heat flows from hotter temperatures to cooler temp creating sonvection currents

15. 3 - $400 • Area where the lithospheric plates are moving apart___________. • All plate boundaries. • All Magnetic reversals. • All spreading centers. • All plate tectonics. • C. All spreading centers

16. 3 - $500 • The outer solid shell of Earth that extends 100 km below the surface • Asthenosphere. • Lithosphere. • Mantle. • Core. • B. Lithosphere

17. 4 - $100 • Who came up with the theory of Continental Drift? • Alfred Wegener • Albert Einstein • Charles Darwin • Gregor Mendel • A. Alfred Wegener

18. 4 - $200 • Where is the largest belt of active Volcanoes and Earthquakes? • African Plate. • South American Plate. • Pacific Plate. • Eurasian Plate. • C. Pacific Plate

19. 4 - $300 • Which one of the following statements does not apply to lithospheric plates? • Earthquakes and volcanoes are concentrated at their margins • They are mechanically stronger than the underlying mantle • They are constantly moving • No volcanic or earthquake activity occurs away from their margins • D. No volcanic or earthquake activity occurs away from their margins.

20. 4 - $400 • Which one of the following statements does NOT apply to the lithosphere? • It is a rigid/brittle layer • It comprises the crust and upper mantle • Earthquakes mainly occur in this layer • It has an average thickness of 7 kilometers • It is thicker under mountain ranges • D. It has an average thickness of 7 kilometers

21. 4 - $500 The cross section depicts magnetized oceanic crust at a spreading center. The "+" symbol indicates normal magnetic bands and the "-" symbol indicates reversed magnetic bands. How many reversals of the Earth's magnetic field are depicted in the diagram? A. 12 B. 6 C. 4 D. 3 • B. 6

22. 5 - $100 • What is the pattern of polarity reversals at spreading plate boundaries • Perpendicular and one sided • Parallel and on both sides • All are correct • None are correct • B. Parallel and on both sides

23. 5 - $200 • What rock contain minerals are are magnetic • Igneous rocks. • Lithospheric rock • Nazca rocks. • None • A. Igneous rocks specifically BASALT

24. 5 - $300 • Why do earthquakes and volcanoes occur at plate boundaries • The plates at boundaries are actively moving • Stresses build up along the boundry causing fractures • High heat flow occurs at boundaries. • All of the above. • None of the above • D. All of the above

25. 5 - $500 • How do convection currents in the asthenosphere flow? Two answers • Heated material sinks and shrinks • Heated material rises and expands • Cooled material rises and expands • Cooled material sinks and shrinks • B and D

26. Final Jeopardy • A: • B: • C: • D: • E: • F: • A. Core, B. Radiative Layer, C. Convective Layer D. Photosphere. F Corona

27. 5 - $400 • The process by which new oceanic lithosphere (sea floor) forms as magma rises to Earth’s surface and solidifies at a mid-ocean ridge is called… A)Plate tectonics B) seafloor spreading C) convection D) subduction • B. Seafloor spreading.