Across
- 2. A dark, fine grained rock
- 4. The relatively small thin envelope of gases that forms Earth's outermost layer
- 6. Living organisms
- 8. Heat transfer between materials that are touching
- 9. Has three main parts: a metal core, a solid middle layer, and an outer rocky layer
- 14. The flow that transfers heat within a fluid
- 15. A dense ball of solid metal in the middle of the Earth
- 16. A layer of hot rock
- 17. Contains all of Earth's Water
- 19. Heat transfer by the movement of fluid
- 21. Forces that destroy and wear away land masses through processes like erosion and weathering
- 22. A group of parts that work together as a whole
- 23. The layer of rock that forms Earth’s outer skin
Down
- 1. The transfer of energy that is carried in carried in rays like light
- 3. The part of the mantle that is not the lithosphere
- 5. Uppermost mantle and the crust
- 7. Forces that construct or build up
- 10. A layer of molten metal surrounding the inner core
- 11. When earthquakes occur they produce these waves
- 12. The ability to do work
- 13. Is a rock that usually is a light color and has coarse grains
- 18. A measure of how much mass is in a given volume of a substance
- 20. Results from a force pressing on an area
