Slow Changes of the Earth 4.7B

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Across
  1. 2. Erosion is _____________ of rock and sediment from one place to another.
  2. 6. _____________ is tiny pieces of rock or soil.
  3. 8. Landform changes are extremely _____________.
  4. 9. Forces in nature that cause changes to Earth’s surface are wind, _____________, and ice.
  5. 12. A __________ is a natural feature on the surface of Earth.
  6. 16. Rivers carry rocks _____________.
  7. 18. _____________ can be caused by wind or water.
  8. 19. Water in rivers slows down as it enters large bodies of water. It then deposits sediment, creating _____________.
  9. 20. _____________ is the breaking down of rocks into smaller pieces called sediment.
  10. 21. Processes that change Earth’s surface slowly are weathering, erosion, and _____________.
Down
  1. 1. “To _____________” means to drop or put down.
  2. 3. Examples of landforms: mountains, valleys, dunes, canyons, oceans, and _____________.
  3. 4. Wind stops blowing and drops sediment, making _____________ and dunes.
  4. 5. Wind causes small pieces of rock to break off the sides of _____________.
  5. 7. Rivers carry sediment that grinds against rocks in riverbeds, forming _____________.
  6. 10. _____________ carries away loose sediment from sand dunes.
  7. 11. Erosion can also be caused by a large, slow-moving piece of ice called a _____________.
  8. 12. Deposition is the _____________ of sediment in a new place.
  9. 13. Glaciers carry pieces of rock with them as they move _____________.
  10. 14. Water seeps into cracks in rocks. Then, it _____________ and expands, splitting the rock into pieces.
  11. 15. Glaciers deposit rock and soil as they _____________ and retreat.
  12. 17. Landforms can change over _____________.