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- 1. Multiple Choice
Boundary between two colliding plates, often associated with mountain building, ocean trenches and volcanic islands
plate boundary
magma
divergent boundary
convergent boundary
- 2. Multiple Choice
the region where an oceanic plate sinks down into the asthenosphere at a convergent boundary, usually between continental and oceanic plates
subduction zone
lava zone
nitrogen zone
continental zone
- 3. Multiple Choice
where two plates are moving apart, magma comes up to create new crust
ridge
divergent boundary
convergent boundary
plate boundary
- 4. Multiple Choice
where two plates are moving apart, magma comes up to create new crust and makes a mid ocean_____
lithosphere
trench
ridge
magma
- 5. Multiple Choice
Circular currents in the mantle caused by the magma being heated by the core off the Earth.
convection currents
lava
magma
hot air
- 6. Multiple Choice
proposed by Alfred Wegener, that the continents were once joined together and have since drifted apart
theory of plate tectonics
tectonic plates
plate boundary
theory of continental drift
- 7. Multiple Choice
formed by two continental plates colliding and forcing each other upwards during convergent boundary
grassland
mountain ranges
snow
trench
- 8. Multiple Choice
Three Types of Plate Boundaries
Transform (slide past)
Convergent (collision)
Divergent (pull apart)
All the above
- 9. Multiple Choice
Transform Boundary
Where two plates slide past each other.
when two plates collide
when two plates are pulling apart
None of the above
- 10. Multiple Choice
Examples of convergent boundaries where two continental plates collide producing a large mountain range.
San Andreas Fault (USA)
Japan (Asia); Aleutian Islands (Alaska, USA)
Andes Mountains (S. America)
Himalaya Mtns (Asia); Appalachian Mtns (USA)
- 11. Multiple Choice
boundary zones are characterized by deep-ocean trenches, shallow to deep earthquakes, and mountain ranges containing active volcanoes.
Convergent
Divergent
Transform
All the above
- 12. Multiple Choice
Most geologists think that the movement of Earth's plates is caused by
gravity.
Earth's magnetic field.
convection currents in the asthenosphere.
subduction.
- 13. Multiple Choice
What is Pangaea?
the name of the supercontinent that existed a million years ago.
another name for continental drift.
the name of a German scientist.
the name of an ancient fossil that existed a hundred thousand years ago.
- 14. Multiple Choice
What is happening in this diagram?
Two continental plates are diverging.
The continental plates are creating a rift valley.
Two continental plates are converging.
- 15. Multiple Choice
The North American plate and the Pacific plate are sliding past each other in opposite directions (at the San Andreas fault), this is called a ________________ boundary.
convergent
divergent
transform
rift valley
- 16. Multiple Choice
When two plates come together is known as a ________________ boundary.
rift valley
divergent
transform
convergent
- 17. Multiple Choice
What kind of boundary is show in this diagram?
convergent boundary
divergent boundary
transform boundary
- 18. Multiple Choice
What process is shown by the diagram?
convergent boundary
seafloor spreading
transform boundary
subduction
- 19. Multiple Choice
What feature is forming in this diagram that is underwater?
rift valley
folded mountains
transform fault
mid-ocean ridge
- 20. Multiple Choice
The super continent that existed when all continents were together was named
Gondwana
Laurasia
Eurasia
Pangea
- 21. Multiple Choice
Observe this diagram of a plate boundary. One statement BEST describes what is happening. It is that
the oceanic crust is melting.
the denser ceanic crust is subducting under the less dense oceanic crust
volcanic islands are forming.
the tectonic plates are moving away from each other.
- 22. Multiple ChoiceMountains are created when....Two continental plates collideTwo oceanic plates pull apartAn Oceanic plate subducts under a Continental PlateTwo continental plates pull apart
- 23. Multiple ChoiceName the boundaryconvergent boundarydivergent boundarytransform boundarysergent boundary
- 24. Multiple ChoiceWhat kind of plate boundary is shown here?divergentconvergenttransformstrike slip
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