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Earthquake
Earthquake and Volcano
| Term | Definition |
|---|---|
| continental drift | the continents are slowly moving across the Earth's surface |
| Pangaea | supercontinent |
| plate tectonics | pieces of the Earth's Lithosphere are in constant slow motion |
| convergent | plates moving towards each other |
| transform | plate boundary move past each other |
| divergent | plate boundary move away from each other |
| fault | break in the Earth's crust |
| earthquake | energy builds up in the rock along a fault causing the rock to break or slip |
| three types of waves | P wave, S wave, surface wave |
| seismic waves | vibrations that travel through Earth |
| magma | molten material before it reaches the surface |
| lava | molten material that has reached the surface |
| extinct | a volcano that will likely never erupt |