Water and energies

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Across
  1. 5. Energy source involving plants and living organisms.
  2. 9. Light bulbs and appliances require this form of energy to work.
  3. 10. An object above the ground has this form of energy.
  4. 11. Any moving object has this form of energy.
  5. 13. The type of energy we can detect with our ears.
  6. 14. Energy source involving the natural heat under the Earth's surface.
  7. 15. The type of energy that makes things hotter.
Down
  1. 1. Food and batteries contain this form of energy.
  2. 2. The number of types of energy.
  3. 3. Energy source that involves the movement of the tides.
  4. 4. The type of energy we can detect with our eyes.
  5. 6. Energy source provided by the Sun.
  6. 7. The type of energy produced by radioactive material.
  7. 8. A non-renewable energy source. (6,4)
  8. 12. Humans and animals must drink this to survive.