Across
- 3. The study of the Earth
- 5. 2 tectonic plates colliding and one goes under
- 7. The study of rock layers
- 10. The first planet in the solar system
- 11. The planet that all humans live on
- 12. The second planet in the solar system
- 14. A type of rock formed from compaction of sediments
- 16. A mountain or hill filled with magma that explodes
- 17. The coldest planet in the solar system
- 19. The biggest planet in the solar system
- 20. The last planet in the solar system
- 21. The most common dwarf planet
Down
- 1. A volcano located near pompeii
- 2. A type of rock that forms from magma or lava cooling
- 4. Extremely fast winds spinning in a circle
- 6. An educated guess in an experiment
- 7. The only planet with visible rings
- 8. The red planet that comes after Earth
- 9. A type of rock that forms by heat and pressure
- 13. The giant hot star that all planets orbit
- 15. The moving or shaking of the ground
- 18. A very common type of sedimentary rock