Weathering and the Rate of Erosion

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Across
  1. 5. _______ the breaking down of rocks into smaller pieces called sediment.
  2. 7. Gravity is the force that _______ objects toward each other.
  3. 8. _______ is movement of rock and sediment from one place to another.
  4. 14. _______ is the movement of thermal energy.
  5. 16. the smallest pieces of sediment are called _______.
  6. 17. The _______ changes due to erosion by water, ice, and wind
  7. 18. when plants grow on rocks, their _______ can push in and crack or break the rock.
  8. 20. _______ is the amount of rain that falls from the clouds to the ground.
  9. 22. _______ glaciers play a very big role in the increase of erosion rates.
  10. 25. Deposition happens when sediment particles are _______ enough to drop from the ice, water, or wind carrying them.
  11. 26. Rock and soil are _______ down into smaller pieces.
  12. 28. Mountain erosion rates have _______ since about six million years ago.
  13. 29. sediment can be _______ of sand, mud, pebbles, minerals, fossils, or decaying plant material.
  14. 31. _______ is tiny pieces of rock or soil.
Down
  1. 1. _______ cooling can speed up the rate of erosion at Earth’s surface.
  2. 2. Weathering and erosion shape Earth’s landforms over _______ periods of time through the actions of water, wind, ice, and gravity.
  3. 3. _______ rocks and ice can hit and break other rocks.
  4. 4. Glaciers _______ away parts of the rock and ground below them as they creep down mountain valleys.
  5. 5. Flowing _______ is a big cause of erosion. It can erode both rock and soil.
  6. 6. When glaciers _______, the scraped rock particles get deposited far from where they started.
  7. 9. Water, ice, wind, plants, and gravity break _______, soils, and sediments into smaller particles and move them around.
  8. 10. To flow is to move in a _______ way.
  9. 11. _______ is the layering of sediment into a new place.
  10. 12. weathered rock can be _______ into new landforms.
  11. 13. _______ is changing something from solid to liquid by raising the temperature.
  12. 15. When water is moving _______, it can take small rocks and clay from the ground and move them.
  13. 19. Huge masses of ice called _______ can cause erosion.
  14. 21. This means that sediment is _______ to land or a landform.
  15. 23. _______ is changing something from liquid to solid by lowering the temperature.
  16. 24. Wind erosion can happen anywhere the soil or sand is not _______ together well.
  17. 27. When water is moving very _______, it can pick up large rocks and take them far away.
  18. 30. The _______ of erosion is related to the energy of flowing water or wind.
  19. 32. The speed of wind, or places that are windier than others, cause _______ erosion than places with less wind.