Our Dynamic Earth!

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 3. Strong metal used to make tools and nails (4)
  2. 5. United States baseball player (6)
  3. 9. The transfer of heat through a fluid caused by molecular motion (10)
  4. 10. A relatively thin sheetlike expanse or region lying over or under another (plural) (6)
  5. 13. The branch of geology studying the folding and faulting of the earth's crust (14)
  6. 15. A long depression in the surface of the land that usually contains a river (6)
  7. 16. A measuring instrument that sends out an acoustic pulse in water and measures distances in terms (5)

Down

  1. 1. A hypothetical continent including all the landmass of the earth prior to the Triassic period when (6)
  2. 2. Tending to move apart in different directions (9)
  3. 4. A large number or amount or extent (plural) (9)
  4. 6. The solid part of the earth consisting of the crust and outer mantle (11)
  5. 7. Tending to come together from different directions (10)
  6. 8. A sudden shaking of the ground caused by movement within the Earth. (10)
  7. 11. Plutonic igneous rock having visibly crystalline texture (7)
  8. 12. Hard outer layer of the Earth or of bread (5)
  9. 14. To subject to a mathematical ___ (9)