Across
- 2. core: sphere of solid nickel and iron a the center of Earth
- 6. measure of the amount of heat energy
- 8. core: outer layer of Earth's core
- 9. solid layer of Earth between the crust and the core
- 10. amount of matter in a given space or volume
- 11. cool, rigid, outermost layer of Earth
Down
- 1. force exerted through contact with other matter
- 3. properties: measurable characteristics that describe the physical state of something
- 4. composition: types, quantities, and arrangements of elements that make up a substance
- 5. thin, solid outermost layer of Earth
- 7. exist in a solid state yet has the ability to flow without being a liquid