Across
- 2. core a layer of molten iron and nickel that surrounds the inner core
- 4. an igneous rock found in oceanic crust
- 6. the ratio of the mass of a substance to its volume
- 7. the layer of rock the forms the earth's outermost surface
- 14. force a natural process that builds up the earth's surface
- 16. force any natural process that wears away the earth's surface
- 17. parts of earth that contain any form of water
- 18. the layer of hot, solid material found between the earth's crust and core
- 19. wave vibrations that travel through the earth carrying energy released from earthquake
- 21. core a dense sphere made of solid iron and nickel in the center of the earth
- 22. a light colored rock found in continental crust
Down
- 1. The transfer of thermal energy from one particle of matter to another
- 3. the force pushing up on a surface
- 5. a thin layer of gasses in the earth's outermost layer
- 8. a soft layer of the mantle on which the lithosphere floats
- 9. the parts of earth that contain all living objects
- 10. a rigid layer made up of the uppermost part of the mantle and crust
- 11. the densest parts of earth
- 12. a group of parts working together
- 13. the transfer of energy be electromagnetic waves
- 15. the transfer of thermal energy by the movement of fluid
- 20. the ability to do work