Across
- 3. below the lithosphere; a hotter and more fluid part of the mantle
- 7. a tool that measures details of earthquakes
- 8. forms when molten rock crystallized and solidifies; appears glassy
- 9. group of animals that occupy a certain area
- 10. the solid, othermost layer of earth, above the mantle
- 11. the layer that lies between the earth's crust and core; the majority of the earth's mass is in this layer
- 13. water held underground in the soil in deep reserves
- 14. the outer part of the earth; includes the crust and upper mantle
- 16. the solid, innermost layer of earth; divided into two parts, liquid outer core and solid inner; made of iron and nickle
- 17. forms under extreme heat and pressure; appears twisted
- 18. when heat, pressure, cooling, melting, and weathering cause rocks to change from one type to another over time
- 20. compress or squeeze through solids and liquids; travels faster than s waves
Down
- 1. forms from pre-existing rock and fossils; appears layered
- 2. petroleum, natural gas, coal; made from remains of plants and animals
- 4. no longer in existence
- 5. still in existence, surviving species
- 6. the study of earthquakes and relatable phenomena
- 11. the lower part of earth; below the asthenosphere
- 12. the study of the earth
- 15. moves side to tide through solids only; travels slower than p waves
- 17. a solid inorganic material found in nature
- 19. the movement caused within a fluid when the hotter, less dense material to sinks