7 science Revision - Sustainability

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Across
  1. 1. the perceptible natural movement of the air
  2. 5. use again
  3. 7. evaporation from plants
  4. 8. a tube used to convey water
  5. 10. scientist who studies organisms
  6. 12. cycle a cycle that contains water
  7. 13. relating to or produced by the internal heat of the earth
  8. 14. water held underground in the soil or in pores and crevices in rock
  9. 16. the conversion of a vapor or gas to a liquid
  10. 20. a natural resource or source of energy
Down
  1. 2. of a natural resource or source of energy
  2. 3. a combustible black or dark brown rock
  3. 4. the process of removing salt from seawater.
  4. 6. water that falls from the sky
  5. 9. long body of water curling into an arched
  6. 11. are used to provide storage of water for use in many applications
  7. 15. water, from rain snow melt or other sources
  8. 17. a barrier constructed to hold back water
  9. 18. relating to or affected by tides
  10. 19. sun energy