Sonny's crossword

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Across
  1. 3. A piece of rock that has fallen to the earth from outer space
  2. 5. A moon, planet or machine that orbits a planet or star
  3. 6. There are 8 of these in our solar system
  4. 8. A machine that changes the wind's energy into electricity
Down
  1. 1. A form of energy that makes things work e.g. the TV and lights
  2. 2. To use rubbish to make new things rather than throwing them away
  3. 4. A big building where things are made
  4. 7. The star at the centre of the Solar System