Across
- 4. Very very hot liquid.
- 8. When the plates move apart from each other.
- 10. It is the middle layer of the earth and it is made out of hot rocks.
- 12. When the plates move very close together.
- 14. Releasing gas that has been dissolved.
- 15. This is a solid nickel layer of the earth.
Down
- 1. Partly melted rock under the surface
- 2. A person that studies the earth.
- 3. It is the movement of the earth. Also the name of the of this puzzle.
- 5. There are seven land masses on earth.
- 6. The person who confirmed Alfred Wigener’s theory.
- 7. It is a solid part of the earth. It is also called the geosphere.
- 9. It is in between the lithosphere and the upper mantle.
- 11. These make up the earth’s
- 13. A type of gas.