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Acting Across a Gap is a free printable Grade 3 science worksheet on cause and effect in electric and magnetic interactions without contact, aligned to Common Core standard 3-PS2-3. It prints 8 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two pupils in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 8 of 25 · the same problems every time you open this link.

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Set 1 has all 25 in a single PDF. All 25 sets ask different questions.

Acting Across a Gap

3-PS2-3

NameDate

Circle the best answer.

1.Two magnets pushed together the wrong way spring apart. What is the cause?
  • A.The air pushed them
  • B.They are too heavy
  • C.Like poles repel each other
2.A clip does not move at 8 cm but does at 4 cm. What does distance do?
  • A.Distance makes no difference
  • B.The nearer the magnet, the stronger the effect
  • C.Further is stronger
3.A magnet moves a clip through a sheet of paper. What does that show?
  • A.The clip is paper
  • B.The pull passes through some materials
  • C.Paper is magnetic
4.The steel plate stopped the magnet moving the clip. What does that show?
  • A.Magnets stop working near steel
  • B.Some materials block the magnetic pull
  • C.The clip was tired
5.A rubbed balloon picks up small pieces of paper. What is the cause?
  • A.An electric charge on the balloon attracts them
  • B.The balloon is sticky
  • C.The paper is magnetic
6.A paperclip jumps to a magnet 4 cm away. What does that show?
  • A.Something invisible pushed it
  • B.A magnet can pull without touching
  • C.The clip was already moving
7.Why is the magnet's effect a cause-and-effect relationship?
  • A.Because it is interesting
  • B.Moving the magnet nearer causes the clip to move
  • C.Because clips are metal
8.How would you show a pull acts across a gap?
  • A.Touch the clip with the magnet
  • B.Measure the distance at which the clip first moves
  • C.Weigh the magnet

LessonPrint · 3-PS2-3 · Set 8 · free to copy for classroom use

Answer key — Acting Across a Gap

Set 8. Prints on its own sheet.

  1. 1.Like poles repel each other
  2. 2.The nearer the magnet, the stronger the effect
  3. 3.The pull passes through some materials
  4. 4.Some materials block the magnetic pull
  5. 5.An electric charge on the balloon attracts them
  6. 6.A magnet can pull without touching
  7. 7.Moving the magnet nearer causes the clip to move
  8. 8.Measure the distance at which the clip first moves

More practice for 3-PS2-3

Ask what causes two objects to attract or repel without touching.

Teaching this next? Acting Across a Gap is the 55-minute plan for it, with the misconceptions to expect.

All Grade 3 worksheets

Last reviewed 2026-09-05. Aligned to 3-PS2-3 of the Next Generation Science Standards.