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26 Cards in this Set
- Front
- Back
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1 the difference between lava & magma is
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lava reaches the surface of the earth and magma doesn't
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2 the slowest of the seismic waves is
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L waves
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3 tsunamis are caused by
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earthquakes
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4 materials the size of golf balls thrown from a volcano would be classified as
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cinders
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5 according to the richter scale, an earthquake with a magnitude of 6 is how many times more powerful than an earthquake with a magnitude of 4
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100 times
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6 to measure an earthquake you would use a piece of equipment called a
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seismograph
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7 during an earthquake the waves that cause the most damage are the
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L wave
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8 earthquakes result mainly from
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movements along the faults in the crust
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9 which is the following make up the cone of a cinder cone volcano
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volcanic bombs
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10 quiet flows of runny lava produce what kind of volcano
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shield volcanos
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11. which of the following make up the cone of the shield volcano
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lava
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12. strike slip boundaries occur where 2 plates
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slid past one another
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13. the bowl shaped area that may form around the volcano central vent is called
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crater
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14 stress that squeezes a mass of rock together is called
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compression
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15. a fold in a rock that bends into an arch is called a
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anticline
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16. a volcanic neck forms when magma
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hardens in a volcano's pipe and the face erodes away
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17. normal faults are caused by
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tension forces
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18. the san andreas fault is considered an example of a
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strike slip fault
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19. a fault block mountain occurs when
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when reverse faults compress a block of rock
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20. what type of device records ground movements caused by seismic waves that move through the earth
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seismograph
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21. the difference in arrival time in P waves and S waves help determine the
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epicenter of an earthquake
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22. the stress force that stretches rocks so that it becomes thinner in the middle is called
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tension
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23. the huge whole left by a volcanic mountain
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caldera
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24. what is a volcano conduit
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a vertical crack in the crust through which magma rises to the surface
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130. what are the 3 parts of a sand dune
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windward slope, crust, slipface
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131. name the 4 pieces of evidence that supports the theory of plate tectonics
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animal fossil
plant fossil geologic layers puzzle pieces |
