Back to quiz

6. Ionising radiation CANNOT be used for:

  • Detecting diseases.
  • Prevent UV rays.
  • Sterilizing food.
  • Treating cancer.

7. What is a half-life?

  • The time taken for half of the radioactive nuclei present to decay.
  • How long it will take for someone to die after contamination.
  • The time taken to produce a radioactive material.
  • How long it will take for half of the radioactive nuclei to die.

8. Static electricity is responsible for...

  • Bad lighting.
  • Bad hair days.
  • Making friction.
  • The balloons stretching when you blow into them.

9. The slope of a voltage-current graph shows...

  • Resistance
  • Cost of electricity
  • Current
  • Voltage

10. Which of these does nuclear power stations NOT use to get rid of radioactive material?

  • Bury it in the ocean.
  • Bury it in landfill sites.
  • Seal it into concrete blocks.
  • Sealed in glass and steel, then cooled for 50 years.

11. Why does air bags and crumple zones reduce the risk of injury?I

  • It slowly reduces momentum.
  • The amount of work given decreases.
  • It heals you faster.
  • They dial 999/911 in event of an incident.

12. Which of these is: The flow of charge around a circuit?

  • Resistance
  • Electrons
  • Electric Current
  • Voltage

13. How do you calculate momentum?

  • Mass + Velocity
  • Mass / Velocity
  • Mass X Velocity
  • Velocity/ Mass

14. Which type of radiation is slow and heavy?

  • Light
  • Alpha
  • Gamma
  • Beta

15. Radioactive elements emit...

  • Ionising radiation.
  • Electromagnetic spectrums.
  • Light rays.
  • Low humming sounds.