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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 14 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.A car slows and stops on carpet. Which force made it stop?
  • A.Magnetism
  • B.No force, it just ran out
  • C.Friction from the carpet, pushing against its motion
2.Two equal pushes from opposite sides leave a box still. What should you write down?
  • A.The box was too heavy
  • B.There were no forces
  • C.The forces were balanced, so the box did not move
3.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
4.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
5.Why roll the car three times on each floor?
  • A.Because three is a lucky number
  • B.One roll might be unusual, so the results are checked
  • C.To wear out the car
6.You test pushing a box from one side, then from both sides at once. What are you testing?
  • A.How the direction of the forces changes the motion
  • B.What color works best
  • C.How heavy the box is
7.What should you measure to see how much each floor slowed the car?
  • A.The color of the car
  • B.How loud the car is
  • C.How far the car rolls before it stops
8.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

LessonPrint · 3-PS2-1 · Set 14 · free to copy for classroom use

Answer key — Testing a Push Fairly

Set 14. Prints on its own sheet.

  1. 1.Friction from the carpet, pushing against its motion
  2. 2.The forces were balanced, so the box did not move
  3. 3.The number of pushes
  4. 4.The floor the car rolls onto
  5. 5.One roll might be unusual, so the results are checked
  6. 6.How the direction of the forces changes the motion
  7. 7.How far the car rolls before it stops
  8. 8.Changing the push and the floor at the same time

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