Water cycle

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Across
  1. 1. A substance with a fixed shape and volume
  2. 4. The flow of water over the ground, such as in rivers and streams
  3. 7. A substance with a fixed volume that flows and changes shape
  4. 9. Water located underground
  5. 12. One of the forms that matter can take, such as solid, liquid, or gas
  6. 15. The gaseous form of water, an invisible component of air
  7. 16. A change of state from liquid to solid
Down
  1. 2. A long period of abnormally low rainfall
  2. 3. The soaking of water into the ground
  3. 5. The evaporation of water from the leaves of plants
  4. 6. A change of state from gas to liquid
  5. 8. The falling of water to the ground
  6. 10. A change of state from liquid to gas
  7. 11. Something that we need or use, found in the natural world
  8. 13. A change of state from solid to liquid
  9. 14. A substance with no fixed shape or volume
  10. 15. The continuous movement of water on Earth