Unit 1

2. force / The process by which rock is broken down
5. / The soft layer of the mantle
10. / The part of earth that contains living organisms
12. / The transfer of thermal energy by movement of a fluid
14. / The transfer of energy by electromagnetic waves
15. / A rigid layer made up of the uppermost part of the mantle and the crust
18. wave / An elastic wave in the earth produced by an earthquake or other means
19. / The densest part of the earth that includes crust mantle outer core and inner core
20. / A dark,dense,igneous rock with a fine texture,found in oceanic crust
21. / is the outermost layer of the earth

1. / Contains all of earth's water
3. force / Any natural process that builds up Earth's surface
4. / Is the ability to do work
6. / continuous physical force exerted on or against an object by something in contact with it.
7. Core / A layer of molten iron and nickel that surrounds the inner core of Earth
8. / The transfer of thermal energy from one particle of matter to another
9. / The layer of hot,solid material between Earth’s crust and core
11. / Is the relatively thin envelope of gases that forms Earth's outermost layer
13. core / A dense sphere of solid iron and nickel que center of earth
16. / Is a group of parts that work together as a whole
17. / The ratio of the mass of a substance to its volume
19. / Usually light-colored igneous rock that is found in continental crust