Energy

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Across
  1. 2. Energy that is generated from running water.
  2. 5. Burning of __________ causes air pollution even though it is a renewable source of energy.
  3. 7. Energy cannot be created or destroyed. It can only be __________ from one form to another.
  4. 8. _________ fuels are non-renewable energy sources that will eventually run out.
Down
  1. 1. Burning of fossil fuels produce these gases which are linked to global warming.
  2. 3. Ability to do work
  3. 4. _________ energy from the Sun
  4. 6. Energy sources that are replenished naturally and will not run out.