Energy

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Across
  1. 4. The best option to use in lights at home and at school
  2. 6. Use something carelessly
  3. 7. created by physical or chemical resources
  4. 8. Something that does not easily conduct
  5. 9. Preventing wasteful use of any resource
Down
  1. 1. Preventing wasteful use of a natural resource
  2. 2. The amount of power used
  3. 3. A form of energy that supplies homes and buildings with heating, lighting, or power for appliances
  4. 5. . Materials that are found in nature and can be put to use