The Earth Crust

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Across
  1. 1. The idea that the continents were once joined together and have slowly moved apart over time.
  2. 6. Large pieces of the Earths crust that move slowly.
  3. 8. A possible explanation that can be tested by observation or experiment.
  4. 9. A well-tested scientific explanation that is supported by evidence.
  5. 10. The central part of the Earth.
  6. 11. The process in which scientists examine and evaluate each others work.
Down
  1. 2. The solid central part of the Earth, made mostly of iron and nickel.
  2. 3. The thick layer of hot rock between the Earths crust and the core.
  3. 4. The thin outer layer of the Earth where land and oceans are found.
  4. 5. The liquid layer of the Earth found between the mantle and the inner core.
  5. 7. Large areas of land on the surface of the Earth.