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Grade 3 Balanced & Unbalanced Forces Worksheet with Answers

Grade 3 (US) · Year 4 (UK) · Class 3 (India) · Science

Unit 1: Forces & InteractionsBalanced & Unbalanced ForcesNGSS 3-PS2-1

How balanced and unbalanced pushes and pulls change an object's motion. This free upper elementary worksheet has 16 questions and a full answer key. Print it or save it as a PDF — every answer is checked by code, not guessed.

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Balanced & Unbalanced Forces

Grade 3 · Science

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Name

Class

Date

Learning goal: Balanced & Unbalanced Forces · NGSS 3-PS2-1

Directions: This worksheet has 4 parts. Read the instructions at the start of each part.

Part A

Label the diagram. Use the words in the box.

Word bank

support forcepushfrictiongravity
1234
  1. 1
  2. 2
  3. 3
  4. 4
Part B

Match each clue to the right word. Write the letter in the box.

  1. 5Pushes of 5 N to the right and 3 N to the left act on a box. Which way does it move?
  2. 6What happens to a ball when you kick it?
  3. 7A swing goes back and forth. Is its motion a pattern you can predict?
  4. 8What force pulls objects down toward Earth?
  5. 9What is a push or a pull called?
  6. 10What force slows a sliding box?
  • AGravity
  • BForce
  • CIt moves
  • DYes
  • ETo the right
  • FFriction
Part C

Balanced or Unbalanced? Tick one box for each.

BalancedUnbalanced
11A book resting on a table.
12A car stopping at a red light.
13A soccer ball speeding up after a kick.
Part D

Answer each question. Use full sentences where you can.

  1. 14

    What two things describe a force?

  2. 15

    If two teams pull a rope equally hard, does it move?

  3. 16

    Why does a ball roll farther on a smooth floor than on carpet?

★ Challenge corner for fast finishers

I am a gas that makes up most of the air you breathe. What am I?

How did I do?

Teacher's comments

Free printable worksheets with answer keys · aethelsystems.com/worksheets/science/3/balanced_forces

Answer key (click to show)
  1. 1.push
  2. 2.friction
  3. 3.gravity
  4. 4.support force
  5. 5.E — to the right
  6. 6.C — it moves (changes motion)
  7. 7.D — yes
  8. 8.A — gravity
  9. 9.B — a force
  10. 10.F — friction
  11. 11.balanced
  12. 12.unbalanced
  13. 13.unbalanced
  14. 14.its strength and its direction
  15. 15.no — the forces are balanced
  16. 16.there is less friction on the smooth floor
  17. ★nitrogen (challenge corner)

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