Chemistry
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
States of matter: Solids, liquids, and gases
SubtopicStates of matter: Solids, liquids, and gases under Chemistry for Grade 4 IGCSE.
Preview questions (no answers)
- 1.
Which of these is a solid used to build houses?
A.Concrete
B.Water
C.Air
D.Natural gas
- 2.
What state of matter is the gasoline used to power an engine?
A.Solid
B.Liquid
C.Gas
D.Ice
- 3.
If you put a solid book into a large circular bin, what happens to the shape of the book?
A.It becomes circular
B.It stays the same
C.It flows to the edges
D.It turns into a gas
Download the worksheet for Chemistry - States of matter: Solids, liquids, and gases to practice offline. It includes additional chapter-level practice questions.
Properties of materials (hard, flexible, waterproof, etc.)
SubtopicProperties of materials (hard, flexible, waterproof, etc.) under Chemistry for Grade 4 IGCSE.
Preview questions (no answers)
- 1.
A material that can be hammered into a thin sheet without breaking is:
A.Malleable
B.Brittle
C.Transparent
D.Absorbent
- 2.
Which of these is a common use for a material that is 'transparent'?
A.A brick wall
B.A window
C.A wooden door
D.A heavy curtain
- 3.
Why is steel often used to make the frame of a bicycle?
A.It is very light and soft
B.It is strong and rigid
C.It is transparent
D.It is absorbent
Download the worksheet for Chemistry - Properties of materials (hard, flexible, waterproof, etc.) to practice offline. It includes additional chapter-level practice questions.
Testing and comparing materials for specific uses
SubtopicTesting and comparing materials for specific uses under Chemistry for Grade 4 IGCSE.
Preview questions (no answers)
- 1.
Which property is most important for a material used to make a mirror?
A.Roughness
B.Absorbency
C.Reflectivity
D.Flexibility
- 2.
Which material is often used for a raincoat because it is lightweight and sheds water?
A.Canvas
B.Vinyl (Plastic)
C.Leather
D.Wool
- 3.
Which material is used to make a hammer head because it is tough and won't break when hitting nails?
A.Glass
B.Steel
C.Plastic
D.Rubber
Download the worksheet for Chemistry - Testing and comparing materials for specific uses to practice offline. It includes additional chapter-level practice questions.
Temperature and changes of state (melting, freezing, boiling)
SubtopicTemperature and changes of state (melting, freezing, boiling) under Chemistry for Grade 4 IGCSE.
Preview questions (no answers)
- 1.
What is the process called when you take a cold bottle out of the fridge and it gets 'sweaty' with water on the outside?
A.Melting
B.Freezing
C.Evaporation
D.Condensation
- 2.
Which state of matter takes the shape of its container but has a fixed volume?
A.Solid
B.Liquid
C.Gas
D.Ice
- 3.
When molten (liquid) rock from a volcano cools down, it becomes solid rock. What is this process called?
A.Freezing
B.Melting
C.Boiling
D.Evaporating
Download the worksheet for Chemistry - Temperature and changes of state (melting, freezing, boiling) to practice offline. It includes additional chapter-level practice questions.
Mixing and dissolving solids in liquids
SubtopicMixing and dissolving solids in liquids under Chemistry for Grade 4 IGCSE.
Preview questions (no answers)
- 1.
What happens to the salt particles when they dissolve in water?
A.They are destroyed
B.They spread out and mix with water particles
C.They grow much larger
D.They turn into sugar particles
- 2.
If we stir flour into water and then pour it through a filter paper, the flour stays on the paper. This is because flour is:
A.Soluble
B.Insoluble
C.A solvent
D.Transparent
- 3.
Which of these is a way to make sure a solid has dissolved completely?
A.Wait for it to turn into a gas
B.Check if the liquid is clear and no grains are left at the bottom
C.See if the liquid has turned into a solid
D.Check if the beaker has changed color
Download the worksheet for Chemistry - Mixing and dissolving solids in liquids to practice offline. It includes additional chapter-level practice questions.