Across
- 3. The total amount of oceans on the earth.
- 4. The spins on this at 23.5 degrees to the sun.
- 6. The name of the German scientist whose theory developed into plate tectonics.
- 7. The term for when the sun is directly over one of the tropics.
- 9. The term for when the sun is directly over the equator.
- 10. The movement of rock and soil on the surface of the earth.
- 13. The tropic latitude at 23.5 south of the equator.
Down
- 1. The term for the layer of gases above the earth.
- 2. The term for the process of breaking down rock on the earth.
- 5. The amount of continents on the earth.
- 8. The term for cracks that form on the earth's surface.
- 11. The term for the earth moving around the sun.
- 12. The term for the hot molten center of the earth.
- 13. The tropic latitude at 23.5 north of the equator.
