Chapter 3 : Energy
Across
- 4. one of the three main types of fossil fuels
- 5. energy that keeps us warm and allows us to cook food
- 6. this energy can be easily transmitted by electrical conductors
- 8. stored energy found in objects placed at a height above the ground
- 9. energy sources that are weather dependent
- 13. a renewable energy suitable for use in Singapore
- 14. the ability to do work
- 15. energy that allows us to see objects
- 16. energy that allows us to hear and communicate
- 17. it is a stored energy which help us to do work
- 19. the energy that moving objects possess
Down
- 1. a type of fossil fuel which is made up of methane gas
- 2. name of the fuels that are non-renewable sources of energy
- 3. it is a form of potential energy stored in fuels, food and batteries
- 5. a renewable energy generated from running water
- 7. an oil that can be processed to make diesel, petrol and kerosene
- 10. it is a form of potential energy stored in stretched or compressed objects
- 11. a renewable energy found in plants and animals
- 12. non-renewable sources of energy will produce this gas
- 18. a clean energy that is free and will not run out