Across
- 3. a layer of molten metal surrounding the inner core
- 5. dark fine grained rock
- 9. the thin envelope of gases that forms Earths outer layer
- 12. light in color and has coarse grains
- 13. the ability to do work
- 14. the layer of rock that forms earth outer skin
Down
- 1. flat wide area along a river
- 2. a layer of hot rock
- 4. contains all of Earths water
- 6. the crust and uppermost mantle in a single layer
- 7. a group of parts that work together
- 8. moving water
- 10. stream or river that flows into a larger river
- 11. a dense ball of solid metal