Name: _______________________________________
(Total marks: 34)
YEAR 7 – HOMEWORK REVISION QUESTIONS
1. What are the three states of matter:
(3 marks)
(a) _______________________________________________________________
(b) _______________________________________________________________
(c) _______________________________________________________________
2. Draw the particles in a solid, liquid and gas:
SOLID
3. What do the particles look like in a solid?
(3 marks)
LIQUID
GAS
(2 marks)
_______________________________________________________________________________________
_______________________________________________________________________________________
4. What do the particles look like in a liquid?
(2 marks)
_______________________________________________________________________________________
_______________________________________________________________________________________
5. What do the particles look like in a gas?
(2 marks)
_______________________________________________________________________________________
_______________________________________________________________________________________
6. How strong are the forces between the particles in:
(3 marks)
(a) Solids - ___________________________________________________________________________
(b) Liquids - __________________________________________________________________________
(c) Gases - ___________________________________________________________________________
7. Why can we pour liquids and gases?
(1 mark)
_______________________________________________________________________________________
8. What can we not pour solids?
(1 mark)
_______________________________________________________________________________________
9. Why can we not squash solids?
(1 mark)
_______________________________________________________________________________________
10. Why can we pour liquids and gases?
(1 mark)
_______________________________________________________________________________________
11. What can we not pour solids?
(1 mark)
_______________________________________________________________________________________
12. What is melting?
(1 mark)
_______________________________________________________________________________________
13. What is evaporating?
(1 mark)
_______________________________________________________________________________________
14. What is condensing?
(1 mark)
_______________________________________________________________________________________
15. What is freezing?
(1 mark)
_______________________________________________________________________________________
16. Fill in the gaps in the sentences below:
(5 marks)
When a solid melts, it becomes a _________________. Solids melt when they get ________________.
The particles get more _________________, so the vibrate ________________. This means they are
able to move away from each other and become a _________________.
17. Look at the diagram. Label A, B, C and D:
(4 marks)
A = ______________________________________________________
B = ______________________________________________________
C = ______________________________________________________
D = ______________________________________________________
18. What is diffusion?
(1 mark)
_______________________________________________________________________________________
_______________________________________________________________________________________