Environment Vocabulary Crossword

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Across
  1. 4. to make something clean
  2. 5. coal, oil and gas are examples of these
  3. 7. a fuel that cannot be replaced when it has been used up is described as...
  4. 9. to finish the last bit of something
Down
  1. 1. wind and solar energy are examples of this kind of energy
  2. 2. a product or action that doesn't harm the environment is described as...
  3. 3. to reduce the amount of heat using a control
  4. 6. to stop something from working
  5. 8. to allow to escape