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plate motion
| Term | Definition |
|---|---|
| outer layer | Earth's outermost layer of hard, solid rock that is underneath the soil, vegetation, and water. |
| Cross section | A diagram that shows what the inside of something looks like. |
| plate | one of the very large sections of hard, solid rock that make up earth's outer layer. |
| pattern | something we observe to be similar over and over again. |
| plate boundary | the place where two plates meet. |
| earthquake | a sudden shaking of earth's surface. |
| mantle | the layer of soft, solid rock underneath Earth's plates |
| convergent | moving towards the same place |
| divergent | moving apart in different directions |
| mid-ocean ridge | an underwater mountain range formed when two plates move apart |
| trench | a long,deep indentation in the ocean floor formed when two plates move together |
| volcanic activity | of the many processes (such as eruptions and lava flows in which gas lava and ash are pushed out on the surface of earth |
| analyze | to examine in detail for a purpose |