Across
- 5. water Any body of water above ground.
- 6. The process which chemicals combine with oxygen.
- 7. growth, Plant ——————
- 10. The breaking of rock material by physical and chemical processes.
- 11. The breakdown of a rock material by the mechanical movement by rocks.
- 13. wedging, Where water freezes inside cracks in rocks causing expansion.
- 15. Moving pieces of a weathered rock to another location.
- 17. precipitation, ———— precipitation
- 18. formation, A deeper course through any shallow body of water.
- 20. action, The way an animal acts.
- 21. Ripples on the surface of water.
Down
- 1. Large flat sheets of rock break and are detached.
- 2. Water in soil and is stored in tiny spaces between rocks and soil.
- 3. What keeps the Earth in orbit around the Sun?
- 4. Depositing a substance, a falling substance.
- 8. Frozen H2O
- 9. A large, flat expanses of land that form on either side of a river.
- 12. weathering The breakdown of rocks by chemical reactions.
- 14. The movement of air caused by a different air pressure.
- 16. weathering Physical ——————————
- 19. A substance composed of the chemical elements hydrogen and oxygen.