µ GCSE | Particles + Matter

10 quick questions - for GCSE or iGCSE

 

10 minutes maximum! (can you do it in 5?)

 

Q1-3. The diagram show particles in 3 states of matter:

X Y Z

Author:yelod - wikimedia commons - edited

 1. Which of these diagrams shows the particles in a gas and a liquid?

  • A. 'X' shows a GAS, 'Y' shows a LIQUID.
  • B. 'Y' shows a GAS, 'X' shows a LIQUID.
  • C. 'Z' shows a GAS, 'X' shows a LIQUID.
  • D. 'X' shows a GAS, 'Z' shows a LIQUID.

2. Which of these diagrams shows the particles in their hottest and coldest state?

Hottest Coldest
A
Y Z
B
X Y
C
Y X
D
X Z


3. In which of these diagrams are the particles held in place, vibrating about a fixed point?

  • A. Y only
  • B. Z only
  • C. X and Y
  • D. Y and Z

 

Q 4-7. These questions are about changes in state:

 
4. When wax turns from a solid to a liquid, it is ,
5. A gas turning back into a liquid is .
6. When frozen CO2 (dry ice) turns directly to a gas it is .
7. When liquid wax turns back into a sold is is .

 

8. Forces can act between the particles. Which one of these answers gives the 3 states of matter where the force is listed STRONGEST to WEAKEST?

Strongest   Weakest
A.
Gas Liquid Solid
B.
Liquid Gas Solid
C.
Solid Liquid Gas
D.
Solid Gas Liquid

9. When a steel pipe is heated the particles move faster, increasing the spacing between them.

This effect is called..

  • A. expansion.
  • B. evaporation.
  • C. extension.
  • D. elasticity.

 

 

10. If we keep heating the steel pipe until it all melts, the total mass of the steel will have .