Renewable forms of energy

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Across
  1. 4. What type of renewable energy could a fast flowing river produce?
  2. 5. What type of energy does a piece of wood have?
  3. 6. Heat from the earth is called what kind of energy?
  4. 9. Biomass is made up of ....... matter?
  5. 10. Solar panels need this to create electricity?
Down
  1. 1. Hydropower is a renewable source of energy which uses the force or energy of moving ..... to generate power.
  2. 2. What type of energy are ocean waves?
  3. 3. What fuel does bioengery use?
  4. 7. Wind energy is converted to electricity using?
  5. 8. Energy that can be constantly replenished?