Energy

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Across
  1. 4. ___________ is a renewable source of energy where plant and animal material is burned as a fuel to produce heat or electricity.
  2. 5. ____________ energy is the heat energy that comes from below the surface of the earth and is the main source of energy is volcanic areas.
  3. 7. The form of energy stored in food and batteries is called __________ energy.
  4. 9. The energy we get from the sun is called _________ energy.
  5. 10. __________ diagrams show the flow of energy in and out of a device.
  6. 12. The ____________ of energy is when energy is wasted because a useful form of energy is converted into a not so useful form of energy.
Down
  1. 1. Coal, petrol, natural gas and oil are collectively called __________ fuels and are examples of nonrenewable sources of energy.
  2. 2. The form of energy something has because it is moving is called __________ energy.
  3. 3. The form of energy something has because of its position or shape is called ___________ energy.
  4. 6. The principle of conservation of energy is energy cannot be created or ____________ but is only changed from one form to another.
  5. 8. The form of energy released from the splitting of atoms is called __________ energy.
  6. 11. Solar and wind are examples of ____________ sources of energy.