IMO Practice Test — Push, Pull & Motion
6 Questions • 12 min • Olympiad level
12:00
Question 1 of 6
hard
On the Moon, gravity is weaker, so a child could jump…
Into the ground
Not at all
Only sideways
Much higher than on Earth
Explanation: Weaker Moon gravity lets you jump higher.
Question 2 of 6
hard
A compass works because its tiny magnet always lines up pointing…
North-South
Up-Down
To the Sun
In circles
Explanation: A compass needle is a magnet that points North-South.
Question 3 of 6
hard
A feather and a stone fall, but the feather drifts slowly mainly because of…
Magnets
No gravity on feathers
The feather's colour
Air pushing against the light feather
Explanation: Air resistance slows the light feather; gravity still pulls both.
Question 4 of 6
medium
A football rolls and slowly stops on grass even with no kick. What slows it?
Its size
Its colour
The sky
A force called friction
Explanation: Friction with the grass slows the ball.
Question 5 of 6
hard
Race cars have smooth, wide tyres on dry tracks mainly to balance grip and…
Add weight
Reduce slowing friction for speed
Add colour
Make noise
Explanation: Tyre design balances grip with less slowing friction.
Question 6 of 6
hard
Squeezing clay into a new shape shows a force can change an object's…
Shape
Name
Colour
Smell
Explanation: A force can change the shape of soft things.