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The Earth Changes
| Term | Definition |
|---|---|
| continental drift | the gradual movement of the continents across the earth's surface through geological time. |
| Plate Tectonics | theory explaining the structure of the earth's crust and many associated phenomena as resulting from the interaction of rigid lithospheric plates that move slowly over the underlying mantle. |
| Divergent | Moving Away |
| Convergent | Collide |
| Transform | Slide Past |
| Oceanic Crust | Crust on the ocean floor |
| Earthquakes | a sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earth's crust or volcanic action. |
| Hotspots | A place deep within the Earth where hot magma rises to just underneath the surface, creating a bulge and volcanic activity |