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- 1. Multiple Choice
These occur in the asthenosphere and are thought to cause the tectonic plates above to move.
convection currents
ocean currents
spreading plate
- 2. Multiple Choice
Name this plate boundary where two plates move away from each other in opposite directions. They divide!
divergent
convergent
transform
- 3. Multiple Choice
Name this plate boundary. When two plates slide past one another
divergent
convergent
transform
- 4. Multiple Choice
Name this plate boundary, where two plates collide forming island arcs, subduction zones, volcanic mountains, and trenches.
convergent
divergent
transform
- 5. Multiple Choice
The process by which the ocean floor sinks beneath a deep ocean trench and back into the mantle is known as
convection
continental drift
subduction
- 6. Multiple Choice
The youngest rocks on the seafloor are most likely found...
closest to a mid-ocean ridge
farthest from a mid-ocean ridge
near the coastlines
- 7. Multiple Choice
What happens when an oceanic plate collides with a continental plate?
the denser oceanic plate rides on top of the less dense continental plate
the less dense oceanic plate slides past the denser continental plate
the denser oceanic plate slides under the less dense continental plate
- 8. Multiple Choice
What type of land-form is created where two ocean plates move apart or separate?
mid-ocean ridge
divergent boundary
transform boundary
- 9. Multiple Choice
The feature labeled C represents some of the deepest spots on the ocean floor. These areas are called ___.
mid-ocean ridge
trenches
abyssal plain
- 10. Multiple ChoiceIn the image, which type of boundary is shown? Hint: its located in the state of California.divergentconvergenttransform fault
- 11. Multiple Choice
Scientists think that convection currents that move the plates flow in Earth's
Continental crust
oceanic crust
Asthenosphere
- 12. Multiple Choice
Which feature will most likely form at the location marked by an 2?
a desert
a volcano
a rift valley
- 13. Multiple Choice
Give a real world example of a land-form created at this type of plate boundary.
Aleutian Islands
San Andrea's Fault
Marianas Trench
- 14. Multiple Choice
Transform boundaries are most likely to produce what phenomenon?
earthquakes
deep sea trenches
underwater mountain ranges
- 15. Multiple Choice
What landform is created when two continental plates collide?
folded mountains
island arcs
subduction zone
- 16. Multiple Choice
Give a real world example of a landform created at this type of plate boundary.
San Andreas Fault
Himalayas
Hawaiian Islands
- 17. Multiple Choice
Which of the following is the name of the ancient supercontinent formed 28 Million Years ago.
Pangea
Gondwanda
Neverland
- 18. Multiple ChoiceWhich of the following is NOT evidence to support the theory of plate tectonics?FossilsMountainsGlaciersSand Erosion
- 19. Multiple ChoiceHow is it possible for new crust to be formed without increasing the surface area of the Earth?Crust is destroyed at the same time it is createdNew crust is underwater where it sinksNew crust breaks more easily than old crust
- 20. Multiple Choice
Which was NOT evidence of Wegener?
Seafloor spreading
fossils
puzzle pieces
climate
- 21. Multiple Choice
What are mid-ocean ridges?
A chain of underwater waterfalls
A chain of underwater rocks
A chain of underwater mountains
- 22. Multiple Choice
What does the theory of continental drift state?
The continents were once joined in a super-continent and have moved over time
Continents are stationary and do not move
The Earth is broken into lithospheric plates that move due to convection currents
- 23. Multiple Choice
Who is the person credited with developing the theory of continental drift?
Harry Hess
Galileo
Alfred Wegener
- 24. Multiple ChoiceThe image shows the Mid Atlantic Ridge. Which type of boundary occurs at this ridge where the ocean floor is spreading apart?convergentdivergenttransform fault
- 25. Multiple Choice
This is the name for the chain of volcanos around the edge of the Pacific Plate.
Circle of Fire
Ring of Lava
Ring of Fire
- 26. Multiple ChoiceSupporting Evidence: fossils, continent shape, landformsContinental DriftSeafloor SpreadingPlate Tectonics
- 27. Multiple ChoiceSupporting Evidence: discovery of Mid-Atlantic Ridge, core rock samples showing older rocks the farther that you get from the mid ocean ridgeContinental DriftSeafloor SpreadingPlate Tectonics
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