Across
- 3. A mound or ridge of sand formed by the wind.
- 4. The process by which wind, water, or ice wear away and transport soil or rock from one place to another.
- 9. Type of rock formed from cooled magma or lava.
- 11. Rock formed from compacted layers of sediment over time.
- 12. A type of landscape formed by the erosion of soluble rocks like limestone
- 17. Fine particles of rock and mineral released during volcanic eruptions.
- 18. The boundary where land meets the ocean or sea.
- 19. A low area between hills or mountains, often with a river.
- 20. Wet, soft soil often formed from water and fine sediment.
Down
- 1. A hollow space in the ground, often formed in limestone by erosion.
- 2. A banded metamorphic rock formed under high heat and pressure
- 5. Rigid, underwater structures made from coral or rock near coastlines.
- 6. A small break or fracture in a rock or the ground.
- 7. A large, flowing body of water that moves across land.
- 8. A natural break in rock where there is no movement.
- 10. First layer of the Earth.
- 13. A fine-grained sedimentary rock formed from compacted clay
- 14. A horizontal bed of rock, soil, or sediment deposited over time
- 15. A naturally raised area of land, smaller than a mountain
- 16. Fine grains of weathered rock found on beaches and deserts.