Crossword

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Across
  1. 3. Common household item that uses a filament or LED to produce light
  2. 4. The planet we live on
  3. 6. The drink cows make (sort of)
  4. 9. The gas responsible for most human‑caused global warming
  5. 10. Country that produces the most wind power in Europe
  6. 13. The opposite of cold
  7. 15. The rotating part of a wind turbine that catches the wind.
  8. 18. The animal that says “moo”
  9. 19. The largest planet in our solar system
Down
  1. 1. The thing you use to tell the time on your wrist
  2. 2. panel Device that converts sunlight directly into electricity
  3. 5. The fruit that keeps doctors away (according to the saying)
  4. 7. hour Unit used to measure electrical energy on your home bill
  5. 8. The planet known as the “Red Planet”
  6. 11. The colour of a ripe banana
  7. 12. The colour you get when the sky behaves itself on a sunny day
  8. 14. Fossil fuel formed from ancient marine organisms
  9. 16. The animal known as “man’s best friend”
  10. 17. The day that comes after Friday
  11. 20. The shape with three sides