dynamic planet module review. bending of a wave due to changes in its velocity 1.convection...
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Structure a scientist builds in his or her mind 1.Physical model 2.Conceptual model 3.Mathematical model 4.Numerical ModelTRANSCRIPT
Dynamic Planet Module Review
Bending of a wave due to changes in its velocity
1 2 3 4
25% 25%25%25%
1. Convection2. Reflection3. Subduction4. Refraction
Structure a scientist builds in his or her mind
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1. Physical model2. Conceptual model3. Mathematical
model4. Numerical Model
Fastest kind of seismic wave
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25% 25%25%25%1. P wave2. S wave3. R wave4. Surface wave
Model a scientist constructs in his or her mind
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25% 25%25%25%1. Physical model2. Conceptual model3. Mathematical
model4. Numerical model
Process that consumes ocean crust where two plates meet
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25% 25%25%25%1. Subduction2. Trench3. Convection4. Refraction
Seismic wave that cannot travel through liquids
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25% 25%25%25%1. P wave2. S wave3. R wave4. Tsunami
The oceanic crust is ______ than the continental crust
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25% 25%25%25%1. Thicker2. Thinner3. Less dense4. Smaller in area
The Earth’s crust and mantle:
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25% 25%25%25%1. Have the same chemical composition
2. Have the same thickness3. Have different densities4. Have no boundary
between them
The part of the Earth that is made of high-temperature liquid iron
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25% 25%25%25%1. Outer core2. Inner core3. Mantle4. lithosphere
Mantle ___ plays an important role in moving Earth’s plates
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25% 25%25%25%1. Conduction2. Convection3. Refraction4. Liquefaction
New crust is formed and spreads apart at
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25% 25%25%25%1. Transform fault
boundaries2. Convergent plate
boundaries3. Subduction zones4. Divergent plate
boundaries
One plate slides past another horizontally at:
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25% 25%25%25%1. Transform fault boundaries
2. Convergent plate boundaries
3. Subduction zones4. Divergent plate
boundaries
The __ of an earthquake is the point on the Earth’s surface above the
________
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1. Epicenter/focus2. Focus/epicenter3. Refraction/epicen-
ter4. Refraction/focus
An earthquake on the sea floor can produce:
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25% 25%25%25%1. Magma2. Subduction3. Tsunamis4. Tornadoes
What name did Alfred Wegener give to his theory of horizontal movement of the Earth’s
crust?
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25% 25%25%25%1. Continental drift2. Isostasy3. Plate tectonics4. Sea-floor
spreading
What name did Wegener give to his proposed single supercontinent?
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25% 25%25%25%1. Eurasia2. Gondwanaland3. Panthalassa4. Pangea
Which of the following kinds of evidence did Wegener use to support his theory?
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25% 25%25%25%1. Distributions of fossil plants and animals in the ocean
2. Geographic fit of the continents
3. Pattern of earthquakes and volcanoes along the “Ring of Fire”
4. All of the above
Why did most scientists of the 1920’s reject Wegener’s theory?
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25% 25%25%25%1. The concentration of continents in the Northern Hemisphere
2. Lack of a mechanism for continents to plow through oceanic crust
3. The Earth was thought to be too young for such movements
4. Wegener was not a geologist by training and so his ideas were ignored
The San Andreas Fault in southern California is an example of a boundary
between:
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25% 25%25%25%1. Two plates that are colliding
2. Two plates that are moving apart
3. Two plates that are sliding past one another
4. Continental lithosphere and oceanic lithosphere
According to plate tectonics, new lithosphere is added to plates at a
boundary between:
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25% 25%25%25%1. Two plates that are no
longer moving2. Two plates that are
moving apart3. Two plates that are
sliding past one another4. Continental lithosphere
and oceanic lithosphere
What is the term used for molten rock within the Earth?
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25% 25%25%25%1. granite2. pumice3. lava4. magma
The Earth’s lithospheric plates move at speeds that average:
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25% 25%25%25%1. 5 meters per year2. 5 centimeters per
year3. 50 meters per
year4. 5 kilometers per
year
Most earthquakes occur:
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25% 25%25%25%1. In the middle of plates
2. At the poles3. Very deep within
the Earth4. Along plate
boundaries
Structure a scientist builds to represent something else
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25% 25%25%25%1. Computer model2. Conceptual model3. Mathematical
model4. Physical model