Electricity And Light

1234567891011121314151617181920
Across
  1. 3. You put these in your electrical toys to make them work.
  2. 5. These light bulbs produce only light and not heat.
  3. 7. The best conductor of electricity.
  4. 11. The most important source of light for humans.
  5. 13. A Chinese invention that we use to celebrate the New Year.
  6. 14. We use this to turn the electricity on and off.
  7. 17. This light is not straight, because it is electricity!
  8. 18. Light travels 300,000 kilometres in one of these units of time.
  9. 19. It powers all of our technology every day.
  10. 20. Turn this on in your living room when it starts to get dark.
Down
  1. 1. It controls our body and has electrical energy.
  2. 2. When you drive at night you turn these on.
  3. 4. A light you hold in your hand to shine in the dark.
  4. 6. They are usually made of copper and let the power flow.
  5. 8. The unit of measurement for electricity.
  6. 9. In an electrical circuit these are the devices which buzz.
  7. 10. You see it at night surrounded by stars.
  8. 12. This metal is very expensive and good for conducting electricity.
  9. 15. You make this when you connect a battery and a bulb with wires.
  10. 16. This energy makes electricity from sunlight.