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Top4 Plate Techtonic
Lesson 3 Earthquakes and Tsunami Hazards
| Term | Definition |
|---|---|
| stress | force that acts on rock to change its shape or volume |
| tension | pulls on Earth's crust, stretching the rock to make it thinner, especially at the halfway point between the two pulling forces. |
| compression | squeezes rock until it bends or breaks |
| shearing | when rock is being pushed in two opposite directions, to the point that it bends or breaks |
| fault | a break in the rock of Earth's crust or mantle |
| scale |