Chapter 3 Crossword Puzzle

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Across
  1. 2. a layer of molten metal surrounding the inner core.
  2. 3. a stream or river that flows into a larger river.
  3. 9. the flat, wide area of land along a river
  4. 10. the layer of rock that forms Earth's outer skin.
  5. 11. a group of parts that work together as a whole.
  6. 12. results from a force pressing on an area
  7. 13. the parts of Earth that contain living organisms
  8. 14. the ability to do work.
  9. 15. a channel along which water is continually flowing down a slope.
Down
  1. 1. forces that construct, or build up, mountains
  2. 4. a dark, fine-grained rock.
  3. 5. the relatively thin envelope of gases that forms Earth's outermost layer.
  4. 6. a large groove, or channel, in the soil that carries runoff after a rainstorm.
  5. 7. a dense ball of solid metal.
  6. 8. a rock that usually is a light color and has coarse grains.