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Materials Vocabulary
An absorbent material (such as a sponge) is able to soak up liquid easily.

Materials Vocabulary

In KS2 Science, pupils learn the words used to describe materials, such as transparent, opaque, hard, soft, waterproof, and flexible, to understand their everyday uses.

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Fascinating Fact:

Transparent materials let light pass through so we can see clearly, like glass or clear plastic.

In KS2 Science, vocabulary helps pupils describe the properties of materials. By using words like transparent, opaque, waterproof, or absorbent, children can compare materials and explain their functions.

  • Transparent: A material that allows light to pass through so objects can be seen clearly.
  • Opaque: A material that blocks light so objects cannot be seen through it.
  • Waterproof: A material that does not let water pass through, keeping things dry.
What is a property of a material?

A property is a feature of a material, such as being hard, soft, flexible, waterproof, or transparent, which helps decide how it is used.

What is the difference between transparent and opaque?

Transparent materials let light through so you can see clearly, while opaque materials block light and cannot be seen through.

Why do we learn material vocabulary in KS2?

Learning material vocabulary helps pupils describe, compare, and choose suitable materials for tasks, like using glass for windows or rubber for waterproof boots.

1 .
How would we describe a material which can be dissolved in a liquid?
Solute
Solidify
Insoluble
Soluble
Sugar dissolves in a cup of tea so it is soluble
2 .
A state of matter in which a material flows freely while keeping the same volume is called what?
A gas
A liquid
A solid
A mixture
'Keeping the same volume' means that the material does not expand and cannot be compressed
3 .
What do we call a mixture of two materials, in which one of the materials has been dissolved?
Solvent
Chemical
Solute
Solution
Salt water is a solution - water is the solvent and salt is the solute
4 .
A state of matter in which a substance can expand to fill its space is called what?
A gas
A liquid
A solid
Air
Air is a mixture of several gases - it is not a state of matter
5 .
What do we call it when something changes state from gas to liquid?
Irreversible change
Conductivity
Condensation
Freezing
You might have seen condensation on the bathroom mirror. Water vapour in the air is cooled by the mirror and turns into a liquid
6 .
What do we call a material which is produced without the aid of people?
Solid
Strong
Manufactured
Natural
Manufactured materials, such as plastic, have been produced by people
7 .
What do we call it when something changes from a liquid to a gas?
Evaporation
Condensation
Insulation
Melting
A puddle has evaporated when the water in it has become gas (water vapour)
8 .
How might we describe a material which does not allow water to pass through it?
Permeable
Impermeable
Dense
Opaque
Permeable material allows water to pass through it easily
9 .
What do we call it when a material is heated and changes into a liquid?
Evaporation
Freezing
Melting
Condensation
Solid butter liquefies, or melts, when heated and solid ice becomes liquid water
10 .
How would we describe a material which is able to soak up liquid easily?
Brittle
Absorbent
Conductivity
Insulating
A sponge is an absorbent material
You can find more about this topic by visiting BBC Bitesize - Properties and change of materials

Author:  Sheri Smith (PhD English Literature, English Teacher & Quiz Writer)

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