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Design with magnets

3rd grade (Year 4 in England) · 16 questions · Common Core: NGSS.3-PS2-4 · England: KS2 Y3 Forces and magnets

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  1. Question 1

    Would a magnet help with this job: holding a note on a steel fridge door?

    • A. a magnet would help
    • B. a magnet would not help

  2. Question 2

    A recycling centre needs to separate steel cans from aluminium (aluminum) cans. What should it use?

    • A. a big magnet that picks out the steel cans
    • B. a sieve
    • C. a fan to blow them apart
    • D. water to dissolve the aluminium

  3. Question 3

    True or false? Magnets are used to sort steel from other metals in recycling.

    • A. True
    • B. False

  4. Question 4

    Would a magnet help with this job: sorting steel cans from aluminium cans?

    • A. a magnet would help
    • B. a magnet would not help

  5. Question 5

    Why do many fridge and cupboard doors have a magnet in the seal or latch?

    • A. to keep the food warm
    • B. to make light
    • C. to hold the door closed without a lock
    • D. to make the door heavier

  6. Question 6

    True or false? Magnets are used to sort steel from other metals in recycling.

    • A. True
    • B. False

  7. Question 7

    Would a magnet help with this job: picking up spilled rice?

    • A. a magnet would help
    • B. a magnet would not help

  8. Question 8

    You drop a box of steel pins into the grass. What is the quickest safe way to collect them?

    • A. Pick each one up with bare fingers in the dark.
    • B. Wait for the wind to blow them away.
    • C. Pour water on the grass.
    • D. Sweep a strong magnet over the grass.

  9. Question 9

    True or false? A compass works because it has a battery.

    • A. True
    • B. False

  10. Question 10

    Would a magnet help with this job: sorting steel cans from aluminium cans?

    • A. a magnet would help
    • B. a magnet would not help

  11. Question 11

    A hiker uses a compass to find north. What is inside a compass?

    • A. a drop of water that points north
    • B. a map
    • C. a tiny magnetised needle that lines up with Earth's magnetism
    • D. a small battery and a light

  12. Question 12

    True or false? Magnets can hold things in place without glue.

    • A. True
    • B. False

  13. Question 13

    Would a magnet help with this job: picking up spilled rice?

    • A. a magnet would help
    • B. a magnet would not help

  14. Question 14

    A hiker uses a compass to find north. What is inside a compass?

    • A. a map
    • B. a drop of water that points north
    • C. a tiny magnetised needle that lines up with Earth's magnetism
    • D. a small battery and a light

  15. Question 15

    True or false? A compass needle is a small magnet.

    • A. True
    • B. False

  16. Question 16

    Would a magnet help with this job: finding north with a compass?

    • A. a magnet would help
    • B. a magnet would not help

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All done? Check your answers
  1. a magnet would help
  2. a big magnet that picks out the steel cans
  3. True
  4. a magnet would help
  5. to hold the door closed without a lock
  6. True
  7. a magnet would not help
  8. Sweep a strong magnet over the grass.
  9. False
  10. a magnet would help
  11. a tiny magnetised needle that lines up with Earth's magnetism
  12. True
  13. a magnet would not help
  14. a tiny magnetised needle that lines up with Earth's magnetism
  15. True
  16. a magnet would help