| A | B |
|---|
| Earthquake | The shaking that results from rock movement beneath the earth's surface |
| Stress | A force that acts on rock to change its shape or volume |
| Shearing | Stress that pushes a mass of rock in opposite directions |
| Tension | Stress that stretches a rock so that it becomes thinner in the middle |
| Compression | Stress that squeezes rock until it folds or breaks |
| Fault | A break in Earth's crust where slabs of rock slide past each other |
| Strike-slip fault | A type of fault where rocks on either side move past each other sideways, with little up and down movement |
| Normal Fault | A type of fault where the hanging wall slides downward: caused by tension in the crust |
| Reverse Fault | A type of fault where the hanging wall slides upward |
| Hanging Wall | The block of rock that forms the lower half of a fault |
| Foot Wall | The block of rock that forms the upper half of a fault |
| Classify | To organize or arrange by type or kind |
| Predict | To state or make known in advance; to forecast |
| Deformation | A change in the volume or shape of Earth's crust |
