Weathering

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Across
  1. 3. Break down rock to create homes
  2. 5. The force of wind or water pulls out any loose pieces of rock
  3. 6. the original rock that's underneath an area
  4. 10. water gets into crack and freezes
  5. 12. Weathering by living things
  6. 13. When rain fall it absorbs some CO2
  7. 14. Formed when a roof or cave collapes
  8. 16. When a surface flows into an underground passage
  9. 17. when metal in a rock changes into an oxides form
Down
  1. 1. The bedrock breaks into flat sheets parallel to the rock surface
  2. 2. Formations that build up from the floor of the ground
  3. 4. Formations that hang from the ceiling of caves
  4. 7. Breaking down rocks by changing their chemical formula
  5. 8. rocks worn down because of friction with other rocks or other forces
  6. 9. When a stalactie and stalagmite meet
  7. 11. Breaking down of bedrock
  8. 15. When plant roots get into cracks in the rocks