Exploring States of Matter
Science
Year 7
13 questions
~26 mins
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About This Worksheet
A worksheet covering States of Matter for Year 7 students.
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Exploring States of Matter
Subject: ScienceGrade: Year 7
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Untitled Worksheet
Grade Year 7
A
Questions
Answer all questions. Show your working where appropriate.
1.
Which of the following is a characteristic of a solid?
[1 mark]ADefinite shape
BTakes the shape of its container
CEasily compressible
DNo fixed volume
2.
What is the main property of gases that distinguishes them from solids and liquids?
[1 mark]AThey have a fixed shape
BThey fill the entire space available to them
CThey have a definite volume
DThey are incompressible
3.
Which state of matter has particles that are closely packed but can slide past each other?
[1 mark]ASolid
BLiquid
CGas
DPlasma
4.
True or False: Solids expand to completely fill the container they are in.
[1 mark]5.
True or False: Gases are more compressible than liquids.
[1 mark]6.
Explain why gases can be compressed more easily than solids or liquids.
[2 marks]7.
Describe the process of condensation.
[2 marks]8.
What happens to the particles of a substance during melting?
[2 marks]9.
Calculate the pressure exerted by a gas at 2 atm when the volume is reduced to half. Use the formula P1V1 = P2V2.
[3 marks]10.
Match the following states of matter to their definitions:
[3 marks]1. Solid
2. Liquid
3. Gas
AFills the entire space available, no definite shape or volume
BHas a definite shape and volume
CTakes the shape of its container but has a definite volume
11.
Order the following processes in the correct sequence: Melting, Evaporation, Freezing, Condensation.
[2 marks]1
2
3
4
5
12.
Fill in the blank: The change of a liquid into a gas is called _______.
[1 mark]13.
Discuss the factors affecting the boiling point of a substance. Include at least three factors in your response.
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Details
- Created
- 12/30/2025
- Updated
- 12/30/2025
- Type
- worksheet