Across
- 3. a low area of land between two higher areas
- 7. an amount of rock or dirt that has been laid down in an area
- 9. the physical or chemical breakdown of rocks and minerals
- 10. a hill of sand created by the wind
- 12. a mass of mud and other earthy material that falls down a slope
- 13. a giant ocean wave; also called a tidal wave
- 14. a deep valley carved by flowing water
- 15. a big body of water flowing through an area of land
- 17. an opening in the Earth's surface release magma and gases
Down
- 1. the fertile, outermost layer of Earth's crust
- 2. melted rock on Earth's surface
- 4. the process by which wind, water, ice, etc. wear away Earth
- 5. a prolonged shortage of rainfall
- 6. solid material that settles on the surface of land
- 8. a large natural structure on the earth's surface
- 10. a fan-shaped mass of mud and other sediment at end of a river
- 11. the ability to do work and cause change
- 12. an area of land that forms a peak at a high elevation
- 16. a large sheet of ice or snow that causes erosion