10 questions🇬🇧English
🧊 States of Matter – Year 4
Science · Year 4 (KS2) — practises solids, liquids and gases, melting, freezing, evaporation and condensation
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Questions
Which of these is a solid?
Orange juice
Milk
A wooden spoon
Water vapour
20s
When an ice cube melts, what does it change into?
Liquid water
Water vapour
Hailstones
Snow
20s
At what temperature does pure water freeze?
100 °C
10 °C
0 °C
−10 °C
20s
Which of these is true for liquids?
They can be squashed into a smaller space
They flow and take the shape of their container
They keep their own fixed shape
They spread out to fill all of a room
30s
Water in a kettle is bubbling hard because it is boiling. Approximately what temperature has it reached?
200 °C
100 °C
50 °C
0 °C
20s
After a rain shower, the puddles in the playground disappear on a sunny day. What is this process called?
Melting
Condensation
Freezing
Evaporation
30s
Tiny drops of water appear on the outside of a glass of cold juice. What process causes this?
Condensation
Boiling
Melting
Evaporation
30s
Which sentence best describes the particles in a gas?
Far apart and staying completely still
Far apart and moving quickly in all directions
Close together and sliding past each other
Packed tightly in rows and only vibrating
30s
Sand can be poured like a liquid, but scientists say it is a solid. Why?
Each grain is a tiny drop of liquid
Sand has no particles inside it
Sand turns into a liquid when poured
Each grain keeps its own shape and size
30s
Which two changes of state happen when water is cooled down?
Melting and evaporating
Condensing and freezing
Melting and condensing
Freezing and evaporating
30s