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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 19 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.Two equal pushes from opposite sides leave a box still. What should you write down?
  • A.There were no forces
  • B.The forces were balanced, so the box did not move
  • C.The box was too heavy
2.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
3.You want to test whether two pushes move a box further than one. What do you change?
  • A.The number of pushes
  • B.The box
  • C.The floor
4.Why roll the car three times on each floor?
  • A.One roll might be unusual, so the results are checked
  • B.To wear out the car
  • C.Because three is a lucky number
5.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.The car, the ramp and the height it starts from
  • C.Nothing at all
6.In the carpet and tile test, what is the one thing you change?
  • A.The height of the ramp
  • B.The floor the car rolls onto
  • C.The car
7.A car slows and stops on carpet. Which force made it stop?
  • A.No force, it just ran out
  • B.Friction from the carpet, pushing against its motion
  • C.Magnetism
8.What should you measure to see how much each floor slowed the car?
  • A.How loud the car is
  • B.The color of the car
  • C.How far the car rolls before it stops

LessonPrint · 3-PS2-1 · Set 19 · free to copy for classroom use

Answer key — Testing a Push Fairly

Set 19. Prints on its own sheet.

  1. 1.The forces were balanced, so the box did not move
  2. 2.A small push, then a big push, on the same ball and floor
  3. 3.The number of pushes
  4. 4.One roll might be unusual, so the results are checked
  5. 5.The car, the ramp and the height it starts from
  6. 6.The floor the car rolls onto
  7. 7.Friction from the carpet, pushing against its motion
  8. 8.How far the car rolls before it stops

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