P2 - Living the the future

1234567891011121314151617181920
Across
  1. 2. This type of nuclear radiation is can be stopped by a thin piece of aluminium, but not paper.
  2. 3. What is the closest planet to the sun?
  3. 6. What was the name of the big explosion at the beginning on the universe?
  4. 8. The distance that light travels in one year.
  5. 10. This type of nuclear radiation is can be stopped by paper or skin.
  6. 12. What are used to convert electricity to a high voltage.
  7. 13. Power = voltage x ...
  8. 14. The creation of voltage in a wire which is experiencing a change in magnetic field.
  9. 16. Electricity can be generated by moving a magnet in a magnetic coil. This as known as the ... effect.
  10. 18. meteorites and comets are examples of what?
  11. 19. This form of power uses uranium as fuel and does not produce Carbon dioxide.
  12. 20. What force keeps the earth in orbit around the sun.
Down
  1. 1. This type of nuclear radiation is can be stopped by thick lead, but not a thin piece of aluminium.
  2. 4. When light is shifted to the red end of the spectrum.
  3. 5. This source of renewable energy is produced from plants.
  4. 7. These are are used to harness energy from the wind.
  5. 9. Burning fossil fuels increase the amount of these in the earth's atmosphere.
  6. 11. What are used to capture the sun's energy?
  7. 15. What is the name of the current model of our solar system?
  8. 17. Energy that is collected from resources which are naturally replenished (such as sunlight)is known as...