Cool!!!!

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Across
  1. 3. A device used to generate electricity by converting mechanical energy
  2. 5. A source of heat used in kitchens and industries
  3. 8. A device that stores electrical energy
Down
  1. 1. A form of energy responsible for warmth
  2. 2. A material that allows electricity to pass through easily
  3. 3. A fuel commonly used for cooking
  4. 4. A renewable source of heat and light from the Sun
  5. 6. An appliance that converts electrical energy into heat
  6. 7. A fossil fuel used in thermal power plants