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- 1. Multiple Choice
Ocean trenches can form when one tectonic plate slides under another in a process called
subduction.
convergence.
divergence.
buckling.
- 2. Multiple Choice
Earth's mantle includes the rigid rocks of the
San Andreas Fault.
crust.
mountain belt.
lithosphere.
- 3. Multiple Choice
Molten, or melted, rock below the surface of Earth is called
a fault zone.
a hot spot.
lava.
magma.
- 4. Multiple Choice
What is formed where these plates are spreading apart?
new ocean floor
earthquakes
volcanoes
mountains
- 5. Multiple Choice
Which is less dense?
Oceanic Crust
Continental crust
- 6. Multiple Choice
The hypothesis that states that the continents once formed a single landmass, broke up, and drifted to their present locations
Continental Drift
Plate Tectonics
Lithosphere
Pacific Ring of Fire
- 7. Multiple Choice
A theory stating that the Earth's surface is broken into plates that move
Subduction Zone
Mariana Trench
Plate Tectonics
Plate Movement
- 8. Multiple Choice
A German scientist who proposed the theory of continental drift
James Watson
Marie Curie
Albert Einstein
Alfred Wegener
- 9. Multiple Choice
A plate boundary where two plates move away from each other
Convergent Boundary
Divergent Boundary
Transform Boundary
Mountains
- 10. Multiple Choice
A plate boundary where two plates collide, come together, or crash into each other
Convergent Boundary
Transform Boundary
Earthquakes
Divergent Boundary
- 11. Multiple Choice
A plate boundary where two plates slide past each other in opposite directions
Divergent Boundary
Hotspot Volcanoes
Convergent Boundary
Transform Boundary
- 12. Multiple Choice
Region around the Pacific Ocean where most of the volcanoes and earthquakes on Earth occur regularly
Mountains
Pacific Ring of Fire
Mariana Trench
Asthenosphere
- 13. Multiple Choice
Which best explains the movement of tectonic plates?
They move several miles each year because of convection within Earth.
They move several centimeters each year because of convection within Earth.
They move several feet each year because of convection within Earth.
They move several kilometers each year because of convection within Earth.
- 14. Multiple Choice
When looking at mid ocean ridges, the oldest rocks are
in the middle
found close to the rift zone
found far from the mid ocean ridges
- 15. Multiple ChoiceWhat is label GTrenchMid ocean ridgeabyssal plainsea mount
- 16. Multiple ChoiceNew crust is always formed at the...mid-ocean ridgedeep-ocean trenchasthenosphere
- 17. 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
- 18. Multiple Choice
What is it called where chains of mountains rise up to form the ocean floor?
Mid-Ocean Ridge
Subduction
Deep-Ocean Trench
Sea-Floor Spreading
Magnetic Striping
- 19. Multiple Choice
What is it called when the ocean floor sinks beneath a deep-ocean trench?
Mid-Ocean Ridge
Deep-Ocean Trench
Sea-Floor Spreading
Subduction
Magnetic Striping
- 20. Multiple Choice
Process by which new ocean crust forms.
Seafloor spreading
Continental drift
Mid-ocean ridge
Rift
- 21. Multiple ChoiceOlder crust is found towards the...Mid-ocean ridgeDeep-ocean trenchAsthenosphere
- 22. Multiple Choice
One kind of evidence that supports Wegener’s hypothesis is that ____.
the same magnetic directions exist on different continents
major rivers on different continents match
land bridges still exist that connect major continents
fossils of the same organism have been found on different continents
- 23. Multiple ChoiceWhat are the two types of crust?continental and oceanicocean and basinlower and upperthick and thin
- 24. Multiple Choice
What made Alfred Wegener first think about continental drift?
the continents seemed to fit together like a puzzle
his mom mentioned it at dinner one night
He found fossils of a T-Rex across the oceans
He just had a very vivid dream one night
- 25. Multiple ChoiceGlossopteris grew in warm, swampy areas proving Antarctica used to have a ________________climate.warm and wethot and drycold and icytemperate
- 26. Multiple ChoiceWhat kind of plate boundary is shown here?divergentconvergenttransformsubducting
- 27. Multiple ChoiceWhat kind of plate boundary is shown here?divergentconvergenttransformstrike slip
- 28. Multiple Choice
Volcanoes and Earthquakes typically occur _______________.
along plate boundaries
only under water
only in hawaii
where it is usually hot
- 29. Multiple Choice
What evidence did Wegener use in his Continental Drift theory?
Continents and fossils fitting together/matching-up like puzzle pieces
Plant and animal fossils
mountain ranges and coal deposits line up across continents
all of the above
- 30. Multiple Choice
Why does the oceanic crust sink beneath the continental crust at a subduction boundary?
The oceanic crust is hotter
The oceanic crust has a greater density
The oceanic crust has a lighter density
The oceanic crust has more magnetic composition
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