energy resources

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Across
  1. 2. energy in food and battery
  2. 5. from trees, which grow
  3. 7. fermented from plant material, which grows
  4. 8. methane produced from things which grow
  5. 9. energy from bulbs and torches
  6. 11. energy in a moving body
Down
  1. 1. from animals that eat food, which grows
  2. 3. from wood that is partially burned in a limited air supply
  3. 4. formed from forests for 300 million years ago
  4. 6. energy in stretched materials
  5. 8. make produce heat
  6. 10. energy for burning material