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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 10 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.Before testing, a student says the car will roll furthest on tile. What is that?
  • A.A prediction to check against the results
  • B.A rule that is always true
  • C.A result
2.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
3.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.A small push, then a big push, on the same ball and floor
  • C.The same push every time
4.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
5.Why roll the car three times on each floor?
  • A.Because three is a lucky number
  • B.To wear out the car
  • C.One roll might be unusual, so the results are checked
6.What makes a forces test unfair?
  • A.Repeating the test
  • B.Writing down the results
  • C.Changing the push and the floor at the same time
7.You want to test whether two pushes move a box further than one. What do you change?
  • A.The box
  • B.The floor
  • C.The number of pushes
8.A car slows and stops on carpet. Which force made it stop?
  • A.Friction from the carpet, pushing against its motion
  • B.No force, it just ran out
  • C.Magnetism

LessonPrint · 3-PS2-1 · Set 10 · free to copy for classroom use

Answer key — Testing a Push Fairly

Set 10. Prints on its own sheet.

  1. 1.A prediction to check against the results
  2. 2.How far the car rolls before it stops
  3. 3.A small push, then a big push, on the same ball and floor
  4. 4.How the direction of the forces changes the motion
  5. 5.One roll might be unusual, so the results are checked
  6. 6.Changing the push and the floor at the same time
  7. 7.The number of pushes
  8. 8.Friction from the carpet, pushing against its motion

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