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PlateTectonics
| Question | Answer |
|---|---|
| tectonic plates | huge, slow-moving pieces of Earth's crust and upper mantle |
| convergent boundary | place where one of Earth's plates collides with or dives under another plate |
| divergent boundary | place where two of Earth's plates move apart |
| transform fault | place where two of Earth's plates grind against each other |
| plate boundary zone | broad belt in which the boundary is not well defined and the effects of plate interaction are unclear |
| crust | cool surface of the earth |
| mantle | partially melted rock between the earth's core and crust |
| core | hot center of the earth made of metals |
| geyser | natural fountain |
| lava | molten rock from a volcano |