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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.

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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.A car slows and stops on carpet. Which force made it stop?
  • A.No force, it just ran out
  • B.Magnetism
  • C.Friction from the carpet, pushing against its motion
2.You want to know whether carpet slows a toy car more than tile. What must stay the same?
  • A.The floor it rolls onto
  • B.Nothing at all
  • C.The car, the ramp and the height it starts from
3.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
4.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 carpet slowed the car more than the tile
  • C.The tile slowed the car more
5.You want to know if a bigger push makes a ball roll further. How should you push?
  • A.The same push every time
  • B.A small push, then a big push, on the same ball and floor
  • C.A big push on a ball and a small push on a box
6.What should you measure to see how much each floor slowed the car?
  • A.How loud the car is
  • B.How far the car rolls before it stops
  • C.The color of the car
7.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
8.Why roll the car three times on each floor?
  • A.To wear out the car
  • B.One roll might be unusual, so the results are checked
  • C.Because three is a lucky number

LessonPrint · 3-PS2-1 · Set 8 · free to copy for classroom use

Answer key — Testing a Push Fairly

Set 8. Prints on its own sheet.

  1. 1.Friction from the carpet, pushing against its motion
  2. 2.The car, the ramp and the height it starts from
  3. 3.Changing the push and the floor at the same time
  4. 4.The carpet slowed the car more than the tile
  5. 5.A small push, then a big push, on the same ball and floor
  6. 6.How far the car rolls before it stops
  7. 7.The floor the car rolls onto
  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.