Across
- 2. Compress through solids and liquids. Travels faster than S
- 6. The outer part of the earth
- 8. Still in existence
- 11. Boundary where tectonic plates divide
- 12. Forms when molten rock crystallizes and solidifies
- 14. The lower part of earths mantle
- 15. the movement caused within a fluid by the tendency of hotter things to float and colder things to sink
- 17. Boundary where tectonic plates collide
- 20. The study of earth
- 21. Move side to side only through solids. Moves slower than P
- 23. A solid inorganic material found in nature
- 24. The layer that lies between earths crust and core
- 25. Below the lithosphere
Down
- 1. Group of animals that occupy a certain area
- 3. The intermost layer of the earth
- 4. Forms under extreme heat and pressure
- 5. When Heat, pressure, cooling,etc cause rocks to change from one type to another over time
- 7. No longer in existence
- 9. Forms from pre-existing rock and fossils
- 10. A tool that records details of earthquakes
- 13. The study of earhquakes and related phenomena
- 16. Boundary where tectonic plates slide past each other
- 18. Made from remains of plants and animals
- 19. Water held underground in the soil in deep reservoirs
- 22. The outermost layer of the earth