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Testing a Push Fairly is a free printable Grade 3 science worksheet on planning an investigation into how forces change motion, aligned to NGSS performance expectation 3-PS2-1. 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 students in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 22 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.

Testing a Push Fairly

3-PS2-1

NameDate

Circle the best answer.

1.In the carpet and tile test, what is the one thing you change?
  • A.The floor the car rolls onto
  • B.The car
  • C.The height of the ramp
2.Before testing, a student says the car will roll furthest on tile. What is that?
  • A.A rule that is always true
  • B.A prediction to check against the results
  • C.A result
3.You test pushing a box from one side, then from both sides at once. What are you testing?
  • A.What color works best
  • B.How heavy the box is
  • C.How the direction of the forces changes the motion
4.Two equal pushes from opposite sides leave a box still. What should you write down?
  • A.The forces were balanced, so the box did not move
  • B.The box was too heavy
  • C.There were no forces
5.What makes a forces test unfair?
  • A.Changing the push and the floor at the same time
  • B.Repeating the test
  • C.Writing down the results
6.You want to know if a bigger push makes a ball roll further. How should you push?
  • A.A big push on a ball and a small push on a box
  • B.The same push every time
  • C.A small push, then a big push, on the same ball and floor
7.Your results show the car rolled 90 cm on tile and 30 cm on carpet. What can you conclude?
  • A.The floors made no difference
  • B.The tile slowed the car more
  • C.The carpet slowed the car more than the tile
8.Why roll the car three times on each floor?
  • A.One roll might be unusual, so the results are checked
  • B.Because three is a lucky number
  • C.To wear out the car

LessonPrint · 3-PS2-1 · Set 22 · free to copy for classroom use

Answer key — Testing a Push Fairly

Set 22. Prints on its own sheet.

  1. 1.The floor the car rolls onto
  2. 2.A prediction to check against the results
  3. 3.How the direction of the forces changes the motion
  4. 4.The forces were balanced, so the box did not move
  5. 5.Changing the push and the floor at the same time
  6. 6.A small push, then a big push, on the same ball and floor
  7. 7.The carpet slowed the car more than the tile
  8. 8.One roll might be unusual, so the results are checked

Last reviewed 2026-09-05. Aligned to 3-PS2-1 of the Next Generation Science Standards.