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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 |
| Patter | 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 |
| convergent | moving toward the same place |
| divergent | moving apart in different directions |
| mid-ocean ridge | an underwater mountain formed when two plates move apart |
| trench | a long, indentation in the ocean floor formed when two plates move together |
| volcanic activity | any 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 |