energy

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Across
  1. 2. the movement of air near Earth's surface.
  2. 3. produced or operated by the action of the sun's light or heat.
  3. 7. a hard silvery metal
  4. 10. natural resources that cannot be replaced after they are used.
Down
  1. 1. power that is generated from moving water such as rivers.
  2. 4. a fossil fuel, which means it was formed from the remains of ancient animals and plants that were buried & compressed for millions of years.
  3. 5. a natural resource that cannot be used up or it is one that can be replaced within a human life span.
  4. 6. is a liquid that comes from oil.
  5. 8. is made up of the energy from plants that grew in swamps.
  6. 9. the ability to do work.