Home / Science / Printables / Grade 3 / Acting Across a Gap 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.
One paper per pupil
Set 1 has all 25 in a single PDF. All 25 sets ask different questions.
Acting Across a Gap 3-PS2-3
Name Date
Circle the best answer.
1. Why is the magnet's effect a cause-and-effect relationship?
A. Moving the magnet nearer causes the clip to move B. Because clips are metal C. Because it is interesting 2. A paperclip jumps to a magnet 4 cm away. What does that show?
A. A magnet can pull without touching B. The clip was already moving C. Something invisible pushed it 3. A magnet moves a clip through a sheet of paper. What does that show?
A. The pull passes through some materials B. Paper is magnetic C. The clip is paper 4. How would you show a pull acts across a gap?
A. Touch the clip with the magnet B. Weigh the magnet C. Measure the distance at which the clip first moves 5. Two magnets pushed together the wrong way spring apart. What is the cause?
A. They are too heavy B. The air pushed them C. Like poles repel each other 6. A rubbed balloon picks up small pieces of paper. What is the cause?
A. An electric charge on the balloon attracts them B. The paper is magnetic C. The balloon is sticky 7. 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 8. The steel plate stopped the magnet moving the clip. What does that show?
A. Some materials block the magnetic pull B. The clip was tired C. Magnets stop working near steel LessonPrint · 3-PS2-3 · Set 6 · free to copy for classroom use
Answer key — Acting Across a Gap Set 6. Prints on its own sheet.
1. Moving the magnet nearer causes the clip to move 2. A magnet can pull without touching 3. The pull passes through some materials 4. Measure the distance at which the clip first moves 5. Like poles repel each other 6. An electric charge on the balloon attracts them 7. The nearer the magnet, the stronger the effect 8. Some materials block the magnetic pull 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.
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Last reviewed 2026-09-05. Aligned to 3-PS2-3 of the Next Generation Science Standards.