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| What is the very center of the earth made up of solid metal? |
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| What is the only layer of earth made up of all liquid metal and liquid rock? |
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| What is the thickest layer of earth which is made of solid rock, semisolid rock, and liquid rock? |
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| What is the thinnest layer of earth made up of solid rock? |
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| What is the crust which makes up dry land? |
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| What is the crust found under the major bodies of water? |
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| What is the solid rock layer of earth which goes from the crust into the uppermost part of the mantle? |
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| What is the layer of soft rock under the lithosphere which ishot and flowing? |
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| What makes the asthenosphere move? |
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Term
| What is the rising of hot magma and falling of cooler magma? |
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Term
| What are the big, hard, solid pieces of rock that move in the lithosphere called? |
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Term
| What are plates that move toward each other and collide? |
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Term
| When two continental plates converge they will create ___. |
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Definition
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| What are two plates that move away from each other? |
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| When an oceanic plate and a continental plate converge, they will create a _____ in the ocean and a ____ on land. |
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| When two continental plates diverge they will create a _____. |
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| When two oceanic plates diverge they will create a ____. |
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Term
| When two transform plates slide they will cause _____. |
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| What is the boundary between two moving plates? |
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Term
| The theory which states that all of the continents use to be together, but they have slowly moved away from each other is ____. |
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Term
| What causes continental drift? |
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Term
| The theory that the lithosphere is made up of moving pieces of land is ___. |
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Term
| What is the supercontinent before the continents drifted away from each other? |
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| What is the spot underneath the earth's surface where two plates move to start an eartquake? |
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Term
| What is the spot on the earth's surface right above the focus of an earthquake? |
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Term
| What is the instrument which measures and studies seismic waves of an earthquake? |
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Definition
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Term
| What is the first earthquake waves to reach a seismograph machine? |
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Term
What is the second wave to reach seismograph machines?
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| When the secondary waves and primary waves reach the earth's surface, it creates rolling waves like ocean waves called _____. |
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Term
| What is the calculation which determines the strength of an earthquake? |
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Definition
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| What word means the "strength' of an earthquake? |
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Definition
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Term
| The Richter scale operates on powers of ____. |
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Definition
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Term
| How much more powerful is a 4 Richter scale earthquake compare to a 2 Richter scale earthquake. |
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Definition
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| What is molten rock inside the earth? |
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Definition
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| What is magma on the earth's surface? |
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| What is the area around the Pacific Ocean where many fault lines connect forming a circle around the earth with lots of earthquakes, volcanoes, and mountains forming here? |
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Definition
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Term
| Mid-ocean ridges are formed from ____ rock. |
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Definition
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Term
What are the three types of plates?
Definition
divergent
convergent
transform(strike-slip) |
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