Across
- 2. Igneous rock created by the cooling of lava
- 4. Rock created from hardened lava
- 10. What makes something different
- 13. Rock created from heat and pressure
- 14. Wind Flow of charged particles from the Sun
- 18. Rock created from years of organic material piled up
Down
- 1. Outermost layer of the Earth
- 3. Measures and charts seismic waves
- 5. Tectonics Theory that the crust is made of sections
- 6. Waves an elastic wave in the earth produced by an earthquake
- 7. The study of Earth’s structure and composition
- 8. Changing direction
- 9. The middle of Earth
- 11. Second layer of Earth
- 12. a metric unit equal to 1,000 meters
- 15. A type of igneous silicate rock
- 16. The magnetic field created by Earth
- 17. Plates moving away from each other