Shaping the Earth - Vocabulary

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Across
  1. 4. tectonics a scientific theory that the Earth's surface is made of very large sections, called plates, that move very slowly
  2. 6. when rocks break down into smaller pieces
  3. 9. a break (crack) in the Earth’s crust
  4. 10. the remains or impression of a living thing
  5. 12. the matter (or weathered material) that settles to the bottom of a liquid such as a lake or ocean
  6. 13. the packing together of sediments by the weight of the material above
  7. 14. drift the very slow movement of the continents on the surface of the Earth
Down
  1. 1. molten material beneath the earth’s crust
  2. 2. amount of space that an object or substance (like water) occupies
  3. 3. when sediments are set down in a new place
  4. 5. currents the transfer of heat by movement in a gas or liquid
  5. 7. plates large sections within the earth’s crust which can move
  6. 8. the moving of weathered (broken down) material
  7. 11. an inclined portion (steepness) of the ground