Earth's Structure

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Across
  1. 6. This piece of technology is used to measure tectonic plate movements.
  2. 10. This man first proposed the idea of moving continents.
  3. 11. Tectonic plates slide around on this layer of the Earth.
  4. 12. How many layers are in the physical properties model of the Earth.
Down
  1. 1. 1st layer of the Earth in the physical properties model of Earth.
  2. 2. Pieces of the Lithosphere.
  3. 3. This is the unit that is used to measure the distance tectonic plates move each year.
  4. 4. A chemical composition model of the Earth has how many layers.
  5. 5. This type of boundary has tectonic plates being pushed away from each other.
  6. 7. This type of boundary has tectonic plates grinding against each other.
  7. 8. This type of boundary has tectonic plates colliding into each other.
  8. 9. This is the thickest layer of the Earth in the chemical composition model of the Earth.