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

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

7. Radioactive elements emit...

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

8. Magnetic fields make current-carrying coils...

  • Make noise
  • Shake
  • Turn
  • Melt

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

  • Voltage
  • Electric Current
  • Electrons
  • Resistance

10. How do you calculate momentum?

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

11. Which type of radiation is slow and heavy?

  • Gamma
  • Light
  • Alpha
  • Beta

12. An interaction pair is...

  • Two objects that perform an action at a different time.
  • A set of forces that exert a force on one another.
  • Two forces that exert a force on an object.
  • Two sets of forces that act like a tug of war.

13. Which of these factors DO NOT affect the size of Induced voltage?

  • The iron core inside of the coil
  • Temperature
  • Speed of rotation
  • Strength of magnetic field

14. Acceleration is...

  • Two small forces and one large force.
  • Unbalanced forces.
  • Two larger forces and one small force.
  • Balanced forces.

15. How do you find the acceleration on a distance-time graph?

  • You spot a positive curved line.
  • You change the axis.
  • You find the gradient and subtract by eight.
  • You circle the straight line.