Ch 2 - Weathering and Erosion

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Across
  1. 5. these organisms secrete acids that dissolve and break down rocks
  2. 7. smallest kind of soil particle
  3. 8. piles of rock and soil deposited by glaciers
  4. 10. someone who explores caves
  5. 11. decayed organic material
  6. 14. refers to the amount of each type of particle in a soil sample
  7. 15. shallow places along the coast that can be dangerous to ships
  8. 16. _____________ animals can also move rocks and expose them to additional weathering
  9. 17. caused by sulfur dioxide mixing with water
  10. 18. the name given to the usually shaped delta at the mouth of the Mississippi
Down
  1. 1. speleothems that grow upward from the floor of a cave
  2. 2. when sheet of rock peel away in layers
  3. 3. ice formations that cause erosion
  4. 4. a shift in the ground around rocks can reduce pressure, causing rocks to rapidly expand
  5. 6. type of mass movement that happens slowly as gravity pulls soil down a hill
  6. 7. forms when a stalagmite and stalactite grow together
  7. 9. the process of oxygen combining with iron to form iron oxide
  8. 12. another name for the B horizon
  9. 13. produced when carbon dioxide combines with water