Materials and Matter
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Properties of solids, liquids, and gases
SubtopicProperties of solids, liquids, and gases under Materials and Matter for Grade 3 IGCSE.
Preview questions (no answers)
- 1.
If you freeze liquid juice, what state of matter does it become?
A.Liquid
B.Solid
C.Gas
D.Air
- 2.
Which of these would you use to describe a gas?
A.Hard and heavy
B.Cold and solid
C.Fills the container it is in
D.Keeps its own shape
- 3.
What state of matter is a metal paperclip?
A.Gas
B.Solid
C.Liquid
D.Vapor
Download the worksheet for Materials and Matter - Properties of solids, liquids, and gases to practice offline. It includes additional chapter-level practice questions.
Changing states: Melting and Freezing
SubtopicChanging states: Melting and Freezing under Materials and Matter for Grade 3 IGCSE.
Preview questions (no answers)
- 1.
Which state of matter is a frozen juice bar?
A.Gas
B.Liquid
C.Solid
D.Soft
- 2.
What happens to liquid lead when it is cooled down significantly?
A.It stays liquid
B.It turns into a solid
C.It turns into a gas
D.It vanishes
- 3.
A sculptor carves a figure out of ice. On a hot day, the figure loses its shape. Why?
A.It is freezing
B.It is melting
C.It is growing
D.It is burning
Download the worksheet for Materials and Matter - Changing states: Melting and Freezing to practice offline. It includes additional chapter-level practice questions.
Evaporation and condensation
SubtopicEvaporation and condensation under Materials and Matter for Grade 3 IGCSE.
Preview questions (no answers)
- 1.
Why does hanging a wet towel spread out help it dry faster than if it is bunched up in a ball?
A.It looks better
B.More surface area allows more evaporation
C.It makes the towel heavier
D.It keeps the towel cold
- 2.
When water boils in a pot, the bubbles that rise to the top are filled with...
A.Air
B.Water vapour
C.Liquid water
D.Ice
- 3.
If you have two identical puddles, but one is in the sun and one is in the shade, which one will evaporate first?
A.The one in the shade
B.The one in the sun
C.Both will evaporate at the same time
D.Neither will evaporate
Download the worksheet for Materials and Matter - Evaporation and condensation to practice offline. It includes additional chapter-level practice questions.
Testing materials for specific uses
SubtopicTesting materials for specific uses under Materials and Matter for Grade 3 IGCSE.
Preview questions (no answers)
- 1.
To test if a material will sink or float, what is the most important thing to do?
A.Place it in a container of water
B.Try to burn it with a match
C.Hit it with a hammer
D.Scratch it with a coin
- 2.
Why is wool used to make scarves?
A.It is very cold to the touch
B.It traps air and keeps the neck warm
C.It is as hard as metal
D.It is completely waterproof
- 3.
If a material is 'opaque', what happens when you shine a light on it?
A.All the light passes through
B.No light passes through it
C.The material disappears
D.The light turns into water
Download the worksheet for Materials and Matter - Testing materials for specific uses to practice offline. It includes additional chapter-level practice questions.
Reversible and irreversible changes
SubtopicReversible and irreversible changes under Materials and Matter for Grade 3 IGCSE.
Preview questions (no answers)
- 1.
If you freeze a grape until it is a solid, and then let it warm up, it will eventually soften again. This is a:
A.Reversible change
B.Irreversible change
C.Burning process
D.Chemical reaction
- 2.
Hard-boiling an egg in hot water is an irreversible change because:
A.The liquid inside the egg turns into a permanent solid
B.The egg can be turned back into a liquid by cooling it
C.The egg shell melts
D.The egg turns into steam
- 3.
Making jam by boiling fruit and sugar together is an example of:
A.An irreversible change
B.A reversible change
C.A freezing process
D.No change at all
Download the worksheet for Materials and Matter - Reversible and irreversible changes to practice offline. It includes additional chapter-level practice questions.