Across
- 7. The relatively thin envelope of gases that forms Earth's outermost layer.
- 10. The parts of Earth that contain living organisms.
- 11. The layer of rock that forms Earth's outer skin.
- 13. Forces Ice,rain,wind, and changing temperatures wear down or destroy landmasses.
- 14. Core A dense ball of solid metal.
- 15. a group of parts that work together as a whole.
- 16. Three main parts: a metal core, a solid middle layer, and a rocky outer layer.
Down
- 1. The crust and uppermost mantle into a single layer.
- 2. A dark, fine-grained rock.
- 3. Made of rock that is very hot, but solid.
- 4. Contains all of Earth's water.
- 5. A force pressing on an area.
- 6. A rock that usually is a light color and has coarse grains.
- 8. The ability to do work.
- 9. Forces Forces that construct, or build up, mountains.
- 12. Core A layer of molten metal surrounding the inner core.