Download Chapter 7 Review Test - Bismarck Public Schools

Name: ______________________ Class: _________________ Date: _________
Chapter 7 Review Test
Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
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1. Tectonic plates consist of
a. continental crust.
b. oceanic crust.
c. both continental and oceanic crust.
d. mesosphere.
____
2. Wegener thought that all the continents were once together in one large continent called
a. Gondwana.
c. Eurasia.
b. Laurasia.
d. Pangaea.
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3. New oceanic lithosphere forms as a result of
a. sea-floor spreading.
c. reverse polarity.
b. normal polarity.
d. continental drift.
____
4. Evidence for sea-floor spreading has come from
a. fossils in South America and Africa.
c. ancient climatic conditions.
b. magnetic minerals on the ocean floor. d. the breakup of Pangaea.
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5. The global positioning system can map the rate of tectonic plate movement using
a. radio waves.
c. visual markers.
b. lasers.
d. motion detectors.
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6. A possible result of plates moving along a transform boundary is
a. oceans.
c. earthquakes.
b. convection.
d. sea-floor spreading.
____
7. What is the outermost layer of the Earth called?
a. core
c. asthenosphere
b. lithosphere
d. mesosphere
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8. What type of fault usually occurs because of tension?
a. folded
c. strike-slip
b. normal
d. reverse
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9. What type of fault usually occurs because of compression?
a. folded
c. strike-slip
b. normal
d. reverse
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10. In a reverse fault, where does the hanging wall move relative to the footwall?
a. upward
c. horizontally
b. downward
d. stays the same
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11. What is the area where two tectonic plates meet called?
a. a collision
c. a boundary
b. a mid-ocean ridge
d. a rift zone
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ID: A
Name: ______________________
ID: A
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12. What type of boundary is formed when plates separate?
a. convergent
c. divergent
b. horizontal
d. transform
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13. What type of boundary is formed when plates slide past each other?
a. convergent
c. divergent
b. horizontal
d. transform
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14. Which of these did NOT provide evidence for continental drift?
a. sea-floor spreading
c. the fossil record
b. oceanic plate theory
d. magnetic reversals
____
15. According to the continental drift theory, a single, huge continent once existed called
a. Pangaea.
c. Panthalassa.
b. Wegener.
d. Eurasia.
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16. Where does sea-floor spreading take place?
a. convergent boundaries
c. oceanic volcanoes
b. transform boundaries
d. mid-ocean ridges
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17. The mantle is denser than the crust because it contains more
a. iron.
c. silicon.
b. magnesium.
d. oxygen.
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18. The core consists mainly of
a. iron.
b. magnesium.
c. silicon.
d. oxygen.
____
19. Seismic waves travel through Earth’s layers at different speeds depending on the
a. density.
c. area.
b. mass.
d. shape.
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20. Mountains formed by magma that reaches the Earth’s surface are
a. slip-strike.
c. fault-block.
b. folded.
d. volcanic.
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21. The fact that similar fossils are found on both sides of the ocean is evidence of
a. global positioning.
c. continental drift.
b. magnetic reversal.
d. oceanic drifts.
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22. Sets of deep cracks that form between two tectonic plates that are pulling away from each other are
known as
a. mid-ocean ridges.
c. clefts.
b. troughs.
d. rift zones.
____
23. What does the theory of continental drift explain?
a. the layers of the Earth
c. how volcanoes formed
b. why continents move
d. how oceans formed
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24. What happens at mid-ocean ridges?
a. strike-slip faults
b. magnetic reversal
c. sea-floor spreading
d. earthquakes
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Name: ______________________
ID: A
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25. Which of the following is associated with transform boundaries?
a. slab pull
c. sea-floor spreading
b. magnetic reversal
d. earthquakes
____
26. What do scientists use the global positioning system for?
a. to measure tectonic plate motion
b. to measure the Earth’s thickness
c. to make images of tectonic plates
d. to measure the distances of seismic wave
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27. What is tension?
a. stress squeezing an object
b. stress pulling an object
c. stress breaking an object
d. stress releasing an object
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28. What is the idea that all continents were part of one big landmass?
a. oceanic drift
c. oceanic theory
b. continental drift
d. continental theory
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29. What is it called when Earth’s magnetic poles change places?
a. a strike-slip fault
c. sea-floor spreading
b. magnetic reversal
d. continental drift
____
30. What can tectonic plates form when they converge?
a. mid-ocean ridges
c. sea floor
b. mountains
d. asthenosphere
____
31. What is the order of the layers of the Earth from the surface to the center?
a. asthenosphere, lithosphere, mesosphere, outer core, inner core
b. lithosphere, asthenosphere, mesosphere, outer core, inner core
c. mesosphere, outer core, inner core, lithosphere, asthenosphere
d. lithosphere, asthenosphere, mesosphere, inner core, outer core
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32. Earthquakes produce
a. seismographs.
b. maps.
c. seismic waves.
d. volcanoes.
____
33. The giant continent that was composed of all the land on Earth was called
a. Pangaea.
c. Gondwana.
b. Panthalassa.
d. Laurasia.
____
34. The southern portion of Pangaea that broke apart about 180 million years ago is known as
a. Pangaea.
c. Gondwana.
b. Panthalassa.
d. Laurasia.
____
35. Magnetic reversals are preserved in
a. compass needles.
b. magnetic minerals.
c. all minerals.
d. seismic waves.
36. Magnetic reversals have helped to support
a. the theory of Pangaea.
b. the age of the Earth.
c. sea-floor spreading.
d. the theory of Gondwana.
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Name: ______________________
ID: A
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37. Continental-oceanic collisions can also be called
a. continental-continental collisions.
c. divergent boundaries.
b. oceanic-oceanic collisions.
d. subduction zones.
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38. Changes in density in the asthenosphere are caused by
a. thermal energy.
c. ridge push.
b. slab pull.
d. seismic waves.
____
39. The Global Positioning System depends on
a. gravity.
c. satellites.
b. the Internet.
d. visual observations.
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40. The amount of force per unit area on a given material is
a. stress.
c. uplift.
b. deformation.
d. subsidence.
Completion
Complete each sentence or statement.
Use the terms from the following list to complete the sentences below.
slab pull
push
ridge
convection
41. Crust moves sideways because of ____________________.
Use the terms from the following list to complete the sentences below.
folded mountains
volcanic mountains
fault-block mountains
42. The Alps and Himalayas are ____________________.
Use the terms from the following list to complete the sentences below.
inner core
asthenosphere
plate tectonics
sea-floor spreading
subsidence
outer core
continental drift
mesosphere
uplift
43. The mantle mainly consists of a dense layer called the ____________________.
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Name: ______________________
ID: A
Use the terms from the following list to complete the sentences below.
normal
sea-floor spreading
divergent
reverse
magnetic reversals
convergent
44. Tectonic plates move together to form a ____________________ boundary.
45. New crust in the ocean is a sign of ____________________.
Matching
Match each item with the correct statement below.
a. sea-floor spreading
d. magnetic minerals
b. continental drift
e. fossils
c. magnetic reversal
____
____
____
____
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46.
47.
48.
49.
50.
hypothesis that states that the continents were once one large mass that broke apart
process that takes place at mid-ocean ridges
part of molten rock at mid-ocean ridges
process of Earth’s magnetic poles changing places
items that provide evidence that the continents were once closer together
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