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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. Which of these is a solid?

IceSteamJuiceAir

2. What do we call the dark shape made when an object blocks light?

A shadowAn echoA reflectionA rainbow

3. Sound travels to our ears as what?

A kind of gasVibrations through the airA pulling forceLight waves

4. What is it called when a liquid turns into a gas?

EvaporationCondensationFreezingMelting

5. What is it called when a gas cools and turns back into a liquid?

CondensationBoilingEvaporationMelting

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

Opposite poles are facing each otherOne magnet is brokenThe same poles are facing each otherThe magnets are too far apart

7. What are the three main steps of the water cycle, in order, starting with the sun heating water?

Condensation, evaporation, precipitationEvaporation, precipitation, condensationEvaporation, condensation, precipitationPrecipitation, evaporation, condensation

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

Shadows are always the same lengthThe air gets darkerObjects grow in the afternoonThe sun is lower in the sky

9. A skateboarder glides further on a smooth concrete path than on rough grass. Why?

There is less friction on the smooth surfaceGravity is weaker on concreteConcrete is magneticThe grass pushes the skateboard back

10. A spacecraft in orbit around Earth is constantly falling, yet it never hits the ground. Why?

It is moving forward fast enough that it keeps missing the Earth as it fallsIt is too light for gravity to pull itIts engines are constantly firing to hold it upThere is no gravity in orbit

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