Chapter 4 - Sources and Types of Energy

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Across
  1. 3. A type of non-renewable source of energy in liquid form.
  2. 7. This source of energy cannot be replaced easily and will run out eventually if we do not conserve it.
  3. 10. This source of energy is renewable and requires a large empty land that does not have tall buildings nearby.
  4. 11. A type of non-renewable source of energy in solid form.
  5. 13. Some sources of this form of energy comes from sugarcane.
  6. 16. A type of energy resulting from a difference in height.
  7. 17. This source of energy requires building of dams and uses gravitational potential energy of water.
  8. 18. Power stations provide us with this form of energy.
Down
  1. 1. Also known as "stored" energy.
  2. 2. A microphone converts this type of energy into electrical energy.
  3. 4. This energy can be a result of friction.
  4. 5. A type of potential energy stored in food, batteries etc.
  5. 6. This source of energy can be easily replaced and will not run out.
  6. 8. __________ gas is a type of non-renewable source of energy.
  7. 9. A type of potential energy in stretched spring or string.
  8. 12. Leaves absorb this energy to make food during photosynthesis.
  9. 14. Singapore has lots of sunlight all year round thus it is easy to harness this form of energy.
  10. 15. The form of energy in moving objects.