Floating and friction
6 free practice questions with explanations
PassNova has 6 free Kids Forces & Magnets practice questions on Floating and friction, each with a clear explanation. Practise them in the browser with instant feedback — 100% free, no sign-up, on any device. Updated for 2026.
Floating and friction: example questions & answers
6 worked examples with answers and explanations below. Practise them in the browser with instant feedback on every answer.
Which of these would most likely float on water?
- AA brick
- BA heavy metal spoon
- CA rubber duck✓
- DA big rock
Answer: Light, hollow things like a rubber duck float, while heavy dense things sink.
What do we call the force that slows things down when they rub against each other?
- AFriction✓
- BFloating
- CMagnetism
- DGravity
Answer: Friction is the rubbing force that slows down moving objects.
Why is it hard to walk on smooth, slippery ice?
- AThe ice pulls you like a magnet
- BGravity switches off
- CThere is too much friction
- DThere is very little friction✓
Answer: Smooth ice has very little friction, so your feet slide instead of gripping.
Rubbing your hands together quickly makes them feel what, because of friction?
- AColder
- BWarmer✓
- CWetter
- DBigger
Answer: Friction from rubbing makes heat, so your hands feel warmer.
When something sinks in water, which way does it go?
- AStraight up into the air
- BDown to the bottom✓
- CRound in circles
- DUp to the top
Answer: An object that sinks drops down through the water to the bottom.
Which shoes would grip the ground best and slip the least?
- ATrainers with bumpy grippy soles✓
- BSmooth flat slippers
- CSocks on a shiny floor
- DShoes made of ice
Answer: Bumpy, grippy soles create more friction, helping you grip and not slip.