Across
- 2. a mathematical device to compare the size of earthquakes
- 5. the movement of continents
- 6. the sideways and downward movement
- 8. the movement of the earth
- 9. made out of liquid and iron
- 11. the second core of earth
- 12. the rigid outer part of the earth
Down
- 1. when two tectonic plates move away from each other
- 3. When two plates come together
- 4. hot ball of magma in the middle of the earth
- 5. The core that we step on
- 7. the rigid outer part of the earth
- 10. the upper layer of the earth's mantle,