Across
- 4. when a surface over flows into a underground passage
- 7. when the metal in a rock changes into an oxide form
- 10. the original rock that is underneath an area
- 11. the bedrock breaks into flat sheets parallel to the surface
- 12. mechanical weathering breaking down the bedrock into smaller pieces without changing what it is
- 14. when a stalactite and stalagmite meet
- 15. when rain falls it absorbs some C02 this makes the water slightly acidic
- 16. formations that build up from the floor of caves
Down
- 1. breaking down of rocks by changing their chemical formula
- 2. underground areas hollowed out by water
- 3. formations that hang from ceilings of caves
- 5. water gets into cracks and freezes
- 6. formed when the roof of a cave colapes
- 8. what is the process that breaks down rocks?
- 9. rocks worn down because of friction with other rocks or forces
- 10. weathering by living things
- 13. the force of wind or water pulls out any loose pieces of rocks