Unit 4 Review Slides 1-24

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Across
  1. 2. Plate boundary where plates slide past one another.
  2. 3. Study of landforms and how they are created; the Earth “wants” to be flat.
  3. 5. Human‑caused driver of erosion through removal of forests.
  4. 6. Fracture where earthquakes commonly occur.
  5. 10. Mass movement of weathered materials; often slow, sometimes rapid.
  6. 11. The biologically active A horizon of mineral soil (topmost layer).
  7. 12. Ancient supercontinent that later broke apart.
  8. 14. Large ocean wave caused by an underwater earthquake.
  9. 15. Breakdown of rocks, minerals, and soils due to exposure to elements.
  10. 16. Sudden release of built‑up stress at fault lines.
  11. 17. Land‑based mass of ice/snow/rock moving downslope under its own weight.
  12. 18. Landform associated with endogenic activity; often at plate boundaries.
  13. 19. Plate boundary where plates push toward each other.
Down
  1. 1. Dark, organic‑rich top layer of soil formed from decaying matter.
  2. 2. Theory of Earth’s plates/layers moving slowly together and apart.
  3. 4. Subsurface water resource historically supported by glacial activity.
  4. 7. Processes occurring externally to Earth’s surface.
  5. 8. Plate boundary where plates push away from each other.
  6. 9. German scientist who proposed continental drift.
  7. 13. Processes occurring from within Earth’s surface.