Weathering and Erosion

123456789101112131415161718
Across
  1. 3. a large block of soil or rock that moves downhill in one piece
  2. 7. rocks break down due to these types of reactions
  3. 8. movement of broken down rocks
  4. 10. rocks rich in iron react with oxygen in the air and create rust
  5. 12. agent of mechanical weathering in Chicagoland area
  6. 14. this type of activity includes plant roots growing into rocks and breaking them
  7. 17. minerals in rock react with carbon dioxide and break down rock
  8. 18. water reacts with minerals and dissolve a rock
Down
  1. 1. very slow downhill movement of broken down soil
  2. 2. this type of plant uses a weak acid to break down rock
  3. 4. the physical breakdown of rocks
  4. 5. change in physical form or chemical composition of rock
  5. 6. the Grand Canyon was created after millions of years of this type of mechanical weathering
  6. 9. final product of weathering and erosion
  7. 11. water freezes and expands within cracks in rock
  8. 13. this agent of erosion blows rock particles around
  9. 15. can cause soil to loosen and create a landslide
  10. 16. this weathering includes nitric and sulfuric acids to "wash away" the features of statues made of rock