Physical Geography

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Across
  1. 2. Low areas carved by rivers between hills or mountains.
  2. 3. The breaking down of rocks into smaller pieces where they are found.
  3. 6. Humans can cause this type of weathering through activities like mining.
  4. 9. Chemical weathering where minerals absorb water and expand.
  5. 10. Rusting of iron-rich rocks due to oxygen.
  6. 12. A type of weathering that breaks rock without changing its composition.
  7. 14. The place where a river begins.
  8. 16. Flowing water that shapes the landscape through erosion and deposition.
  9. 18. separation Physical weathering where large rock blocks split along joints.
  10. 19. Weathering in which individual mineral grains loosen and fall away.
  11. 21. The steepness or incline of the land.
Down
  1. 1. The dropping of transported sediment.
  2. 4. Peeling off of outer rock layers due to heating and cooling.
  3. 5. The wearing away and movement of rock by water, wind, or ice.
  4. 7. Weathering caused by living organisms.
  5. 8. Chemical weathering where water reacts with minerals to form clay.
  6. 11. Ridges of high land that extend into a river valley.
  7. 13. A type of weathering that changes the composition of rock.
  8. 15. Chemical weathering caused by carbon dioxide dissolved in rainwater.
  9. 17. Roots that grow into cracks and split rocks apart.
  10. 20. Burrowing creatures that help break up rocks and soil.