energy sources

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Across
  1. 4. energy that comes from the sun.
  2. 5. something that cannot be replaced quickly once it is used up.
  3. 8. energy made from splitting tiny particles inside atoms.
  4. 9. energy sources made from dead plants and animals that were buried underground for millions of years.
  5. 11. energy made from moving water, such as rivers or waterfalls.
Down
  1. 1. something that can be used again and again because it is naturally replaced.
  2. 2. energy made from plants, wood, food scraps, or other natural waste.
  3. 3. to save or use something carefully so we don’t waste it.
  4. 6. a type of energy that powers lights, machines, and appliances in your home or school.
  5. 7. energy made from moving water, such as rivers or waterfalls.
  6. 10. the power that makes things move, light up, heat up, or work.