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🔬 Science, Years 4 to 6

Years 4 to 6 · Read up first

10 questions. Get 8 right to earn 10 minutes. All 10 right = +5 bonus. They start easy and get harder as you go, so treat the first few as a warm-up. Every one you miss comes back with the answer and why.

1. What is the name for a shaking of the ground caused by movement deep underground?

A volcanoA landslideA floodAn earthquake

2. What pulls objects down towards the Earth?

ElectricityFrictionMagnetismGravity

3. Why do we have seasons on Earth?

Earth is tilted as it orbits the sunThe sun gets bigger and smallerThe Earth speeds up and slows downClouds block the sun in winter

4. What force slows down a bike when the brakes are pressed?

MomentumGravityMagnetismFriction

5. What are the two ends of a magnet called?

EndsTipsPolesPoints

6. Two magnets are pushed together and they push apart instead of joining. What does this tell you?

The magnets are too far apartOne magnet is brokenOpposite poles are facing each otherThe same poles are facing each other

7. Why does a shadow get longer in the late afternoon?

The air gets darkerThe sun is lower in the skyObjects grow in the afternoonShadows are always the same length

8. Why can sound not travel through empty space?

There is too much light in spaceSound only travels through waterSound needs a material, like air, to travel throughSpace is too cold for sound

9. A plant kept in a dark cupboard for two weeks turns pale and grows weakly. Which process has been stopped?

Its roots stopped taking up waterIt stopped needing carbon dioxidePhotosynthesis, because it needs lightIts life cycle finished

10. Water expands when it freezes, unlike most substances, which shrink. Why does this matter for a sealed glass bottle left in a freezer?

The glass will meltThe bottle will float awayNothing happens differentlyThe expanding ice can crack or burst the bottle

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