Water Cycles

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Across
  1. 2. It can take the form of rain, snow, hail or sleet.
  2. 3. One of the 3R's. It is treating waste water to make it usable.
  3. 5. One of the factors that affects the rate of evaporation.
  4. 7. The careful use of water in order to avoid its wastage.
  5. 9. A state of matter that has no definite volume and no definite shape.
  6. 10. The process by which a gas changes into a liquid.
Down
  1. 1. A very common cause of water pollution. Marine animals may mistake this for food and eat it.
  2. 4. A state of matter that has a definite volume but no definite shape.
  3. 6. The process by which a liquid changes into a gas.
  4. 8. One of the 3R's. It is using waste water to water plants, flush toilets etc.