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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 18 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.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
2.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
3.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
4.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
5.You want to test whether two pushes move a box further than one. What do you change?
  • A.The floor
  • B.The number of pushes
  • C.The box
6.You test pushing a box from one side, then from both sides at once. What are you testing?
  • A.How heavy the box is
  • B.How the direction of the forces changes the motion
  • C.What color works best
7.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
8.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

LessonPrint · 3-PS2-1 · Set 18 · free to copy for classroom use

Answer key — Testing a Push Fairly

Set 18. Prints on its own sheet.

  1. 1.A small push, then a big push, on the same ball and floor
  2. 2.The carpet slowed the car more than the tile
  3. 3.The floor the car rolls onto
  4. 4.How far the car rolls before it stops
  5. 5.The number of pushes
  6. 6.How the direction of the forces changes the motion
  7. 7.Changing the push and the floor at the same time
  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.