Science · Forces and motion
Forces and Motion Quiz
Balanced and unbalanced forces, friction, gravity, speed and Newton's laws.
- 🎓 Grades 3–5
- 🧪 Science
- 📐 3-PS2-1
- ❓ 20 questions
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What is a force?
- A A kind of energy only
- B A push or a pull
- C A type of matter
- D A speed
What force slows down a rolling ball on grass?
- A Electricity
- B Magnetism
- C Friction
- D Buoyancy
What force pulls objects toward Earth?
- A Magnetism
- B Air pressure
- C Gravity
- D Friction
When forces on an object are balanced, the object…
- A Changes direction
- B Speeds up
- C Does not change its motion
- D Falls apart
When forces on an object are unbalanced, the object…
- A Changes its motion
- B Disappears
- C Gets heavier
- D Stays still forever
Which surface has the most friction?
- A Sandpaper
- B Glass
- C Ice
- D Polished wood
Speed tells how fast something moves. How is it found?
- A Mass plus distance
- B Distance divided by time
- C Time times weight
- D Force minus time
A car travels 100 miles in 2 hours. What is its average speed?
- A 100 miles per hour
- B 200 miles per hour
- C 50 miles per hour
- D 25 miles per hour
Which scientist wrote three famous laws of motion?
- A Thomas Edison
- B Albert Einstein
- C Galileo Galilei
- D Isaac Newton
The tendency of an object to keep doing what it is doing is called…
- A Weight
- B Friction
- C Inertia
- D Gravity
Why do you lurch forward when a bus stops suddenly?
- A Friction pushes you
- B Gravity pulls you forward
- C The seat pushes you
- D Inertia keeps your body moving
What is the unit for measuring force?
- A Gram
- B Meter
- C Liter
- D Newton
If you push a heavy box and a light box with the same force, which speeds up more?
- A The heavy box
- B Neither moves
- C They speed up the same
- D The light box
For every action force there is an equal and opposite…
- A Gravity
- B Friction
- C Reaction force
- D Speed
A rocket pushes gas down. What happens to the rocket?
- A It falls down
- B It stays still
- C It is pushed up
- D It spins sideways
What is the difference between mass and weight?
- A Mass changes on the moon
- B Weight is the pull of gravity on mass
- C They are always the same
- D Weight never changes
Would you weigh more or less on the moon?
- A Less
- B More
The moon's gravity is about one sixth of Earth's.
What is acceleration?
- A Moving at the same speed in a line
- B Staying still
- C A change in speed or direction
- D A kind of friction
Which reduces friction on a bike chain?
- A Oil
- B Sand
- C Glue
- D Mud
Why does a ball thrown up come back down?
- A Gravity pulls it
- B Air lifts it
- C Magnetism pulls it
- D Friction pushes it
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