Across
- 8. Slow moving ice masses.
- 9. Lays down rock, sediment, and soil.
- 11. Buried rock can be exposed at Earth's surface, where the release of pressure causes the outer layers to flake off.
- 12. Some physical weathering agents work by carrying particles that scrape against rock.
- 13. ______ weathering is also called physical weathering.
Down
- 1. ______ weathering is the breakdown of rock into smaller pieces.
- 2. _____ weathering is when different types of rock in the same environment can weather at different rates.
- 3. ______ and marble are two types of rock affected by acid precipitation.
- 4. A reaction with oxygen, occurs when rock is exposed to oxygen in the air or in water.
- 5. Transports rock, sediment, and soil from one place to another.
- 6. ______ weathering changes the chemical makeup of a rock.
- 7. ______ wedging occurs when water seeps into cracks in rock, freezes, and expands.
- 10. A process by which rock breaks down into smaller pieces or changes in composition.