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Rocks, Soil, Erosion
| Question | Answer |
|---|---|
| rocks | made of minerals |
| mineral | solid, formed in nature, has never been alive |
| sedimentary rock | formed by sediment that has been cemented together in layers |
| metamorphic rock | formed by heat and pressure |
| igneous rock | formed by magma that has cooled and hardened |
| weathering | breaking down of rocks into smaller and smaller pieces |
| erosion | when sediment is carried away by wind, water, or gravity |
| deposition | when the sediment that was being moved stops moving and it is deposited in a new area |