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Magnet strength and distance

3rd grade (Year 4 in England) · 16 questions · Common Core: NGSS.3-PS2-3, NGSS.SEP 4 · England: KS2 Y3 Forces and magnets, KS2 Y3–Y4 Working scientifically

Name

Date

Score/ 16

  1. Question 1

    Why does the class repeat each distance three times and use the average?

    • A. Because the magnet gets stronger each time.
    • B. Repeating makes the results more reliable.
    • C. Three is the only allowed number.
    • D. To use up more paperclips.

  2. Question 2

    A class held a magnet at different distances above a pile of paperclips and counted how many it picked up. How many paperclips did it pick up at 3 cm?

    Paperclips picked up02468101214140 cm101 cm72 cm53 cm

    Answer

  3. Question 3

    How many fewer paperclips did the magnet pick up at 2 cm than when touching (0 cm)?

    Paperclips picked up024681012141618180 cm121 cm82 cm63 cm

    Answer

  4. Question 4

    A magnet still pulls a paperclip through a sheet of paper. What does this show?

    • A. Paper is magnetic.
    • B. Magnets need to touch to work.
    • C. Magnetic force can act through some materials and across a gap.
    • D. The paperclip is made of paper.

  5. Question 5

    A class held a magnet at different distances above a pile of paperclips and counted how many it picked up. How many paperclips did it pick up at 2 cm?

    Paperclips picked up02468101214161820200 cm151 cm122 cm93 cm

    Answer

  6. Question 6

    How many fewer paperclips did the magnet pick up at 2 cm than when touching (0 cm)?

    Paperclips picked up02468101214161820200 cm151 cm112 cm73 cm

    Answer

  7. Question 7

    A magnet still pulls a paperclip through a sheet of paper. What does this show?

    • A. The paperclip is made of paper.
    • B. Magnetic force can act through some materials and across a gap.
    • C. Paper is magnetic.
    • D. Magnets need to touch to work.

  8. Question 8

    A class held a magnet at different distances above a pile of paperclips and counted how many it picked up. How many paperclips did it pick up at 2 cm?

    Paperclips picked up02468101214140 cm101 cm62 cm43 cm

    Answer

  9. Question 9

    What pattern does this data show?

    Paperclips picked up02468101214140 cm91 cm52 cm23 cm
    • A. Magnets only work when they are 3 cm away.
    • B. The further away the magnet, the stronger its pull.
    • C. Distance makes no difference to a magnet.
    • D. The further away the magnet, the weaker its pull.

  10. Question 10

    Two magnets are tested. Magnet A holds 22 paperclips and magnet B holds 9. Which statement is right?

    • A. Bigger magnets are always stronger.
    • B. They are the same strength.
    • C. Magnet B is stronger.
    • D. Magnet A is stronger.

  11. Question 11

    A class held a magnet at different distances above a pile of paperclips and counted how many it picked up. How many paperclips did it pick up at 0 cm?

    Paperclips picked up02468101214161820190 cm141 cm92 cm73 cm

    Answer

  12. Question 12

    How many fewer paperclips did the magnet pick up at 2 cm than when touching (0 cm)?

    Paperclips picked up02468101214161820190 cm141 cm92 cm53 cm

    Answer

  13. Question 13

    To test how distance affects a magnet fairly, what must stay the same?

    • A. the same magnet and the same kind of paperclips
    • B. only the colour of the table
    • C. nothing; change everything
    • D. the distance

  14. Question 14

    A class held a magnet at different distances above a pile of paperclips and counted how many it picked up. How many paperclips did it pick up at 3 cm?

    Paperclips picked up02468101214161820200 cm151 cm112 cm73 cm

    Answer

  15. Question 15

    What pattern does this data show?

    Paperclips picked up024681012141618180 cm141 cm102 cm63 cm
    • A. The further away the magnet, the weaker its pull.
    • B. The further away the magnet, the stronger its pull.
    • C. Magnets only work when they are 3 cm away.
    • D. Distance makes no difference to a magnet.

  16. Question 16

    A magnet still pulls a paperclip through a sheet of paper. What does this show?

    • A. Magnets need to touch to work.
    • B. Paper is magnetic.
    • C. Magnetic force can act through some materials and across a gap.
    • D. The paperclip is made of paper.

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All done? Check your answers
  1. Repeating makes the results more reliable.
  2. 5
  3. 10
  4. Magnetic force can act through some materials and across a gap.
  5. 12
  6. 9
  7. Magnetic force can act through some materials and across a gap.
  8. 6
  9. The further away the magnet, the weaker its pull.
  10. Magnet A is stronger.
  11. 19
  12. 10
  13. the same magnet and the same kind of paperclips
  14. 7
  15. The further away the magnet, the weaker its pull.
  16. Magnetic force can act through some materials and across a gap.