Pollution

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Across
  1. 1. – A material that causes pollution
  2. 3. – To use something again
  3. 5. – A natural flow of water
  4. 9. – A place where rubbish is buried
  5. 10. – To keep safe
  6. 11. – The natural world
  7. 14. – What pollutes the air from fire or factories
  8. 17. – Dirty or harmful substances in the environment
  9. 18. – Unwanted material
Down
  1. 2. – A harmful substance made in factories
  2. 4. – To use something again instead of throwing it away
  3. 6. – To make something less
  4. 7. – A building where products are made
  5. 8. – A thick liquid that can pollute water
  6. 12. – Waste people throw away
  7. 13. – To take air into your lungs
  8. 15. – A large body of salt water
  9. 16. – Animals living in nature