Across
- 3. The thing that causes earthquakes is called:
- 5. The heat causing rocks to rise and fall is:
- 7. Semi-molten rock directly under the first layer:
- 9. The sea of elements surrounding the center of the planet
- 10. The first, thinnest layer of the planet:
- 11. Abbreviated Fe
Down
- 1. Abbreviated Ni
- 2. Seismic waves cause these to happen
- 4. They build up pressure, and once it's too much, it either explodes or oozes
- 6. The very center of our planet:
- 8. The planet