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| the idea that the earth is made of plates that are moving slowly |
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| the border (line) between two tectonic plates |
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| the outer part of the earth, made of the crust and hard part of the mantle, going about 100 kilometers deep |
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| part of the layers of the earth, made of molten rock and about 100-300 kilometers deep |
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| thicker, less dense crust |
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| the area where the oceanic plate is sliding under a continental plate |
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| molten rock that is inside the earth |
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| A solid ball of iron and other minerals in the center of the earth |
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| liquid metal (iron and nickel) |
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| the earth's layer that is like a Peanut Butter sandwich: hard on the outsides and soft in the middle |
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| molten rock that is outside the earth |
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| the outermost layer of the earth (very thin) |
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| a chain (or line) of volcanic islands |
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| a very large ocean wave, caused by an earthquake |
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| the name of the plates when they were all together, many years ago |
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| two plates are moving TOWARD each other (colliding) |
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| two plates are moving AWAY from each other |
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| two plates SLIDING PAST each other |
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| a row of "hills" under the ocean, created when two oceanic plates diverge (move away from each other) |
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| magma comes up into the space between the two oceanic plates that are diverging (moving away from each other) |
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| a place where the ground is lower because two continental plates are diverging (moving away from each other) |
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