Chapter 4 : Electricity

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Across
  1. 6. name the rain that is formed when nitrogen oxides and sulfur dioxide dissolved in rainwater
  2. 7. an instrument used to measure current
  3. 9. a part of power station that converts kinetic energy of turbines to electrical energy
  4. 11. current passes from positive terminal of electric cell to ___ terminal in a closed circuit
  5. 14. name the colour of the live wire in a three-pin plug
  6. 15. a waste that is produced by nuclear power station that is dangerous to living things
  7. 17. one of the three safety features that can be found in household electrical system
  8. 18. the SI base unit of electrical current
  9. 20. the SI base unit of electric potential difference (voltage)
  10. 23. a ___ resistance in a circuit will lower the current
  11. 24. Carbon dioxide is an example of this gas released by burning fossil fuels
  12. 25. blue wire of a three-pin plug which will form a complete circuit with the live wire
  13. 26. a gas that is used to produce electricity in Singapore
Down
  1. 1. an instrument used to measure voltage
  2. 2. a type of circuit where ammeter should be connected
  3. 3. the SI base unit of electrical resistance
  4. 4. wire that is yellow and green in colour of a three-pin plug which prevent electric shocks
  5. 5. an electrical component that provides resistance
  6. 8. a part of power station that converts potential energy (fuels) to heat energy
  7. 10. a part of power station that converts kinetic energy of moving steam to kinetic energy of turbines
  8. 12. a type of circuit where voltmeter should be connected
  9. 13. a part of power station that converts heat energy to kinetic energy of moving steam
  10. 16. energy that is used to power electrical appliances
  11. 19. power station that uses nuclear material as fuel to generate large amounts of heat energy
  12. 21. the flow of electrical charges in a closed circuit
  13. 22. energy that is stored