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Solids Liquids and Gases 01
When a smell spreads, particles move away from where they originated. This is called diffusion.

Solids Liquids and Gases 01

KS3 Solids, Liquids and Gases - Quiz to Help with Understanding

This is a fun way to recap your secondary school learning.

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FIND OUT ABOUT SUBSCRIPTIONS

1.
A balloon is filled with gas. Inside the balloon the gas particles .......
Are avoiding each other
Are moving slowly
Are moving very quickly
Are not moving
The particles in a gas are moving a lot faster than those in a liquid or solid
2.
If you reduce the volume of a gas .......
It expands
It gets bigger
The pressure increases
The temperature falls
The gas particles are moving at the same speeds as before but there are more of them in a smaller space
3.
Which is the most dense substance in this list?
Aluminium
Lead
Oxygen
Water
The most abundant metal in the Earth's crust is aluminium. Aluminium is a low density metal
4.
Which will have the highest boiling point?
Distilled water
Pure water
Salty water
Tap water
Pure water boils at 100°C, adding salt makes it boil at a slightly higher temperature. The exact temperature depends on the amount of salt added
5.
The state of matter which has very low density is .......
Gas
Liquid
Solid
Solution
Hydrogen is the gas with lowest density
6.
When a solid changes to a liquid, it .......
Boils
Condenses
Freezes
Melts
Ice melts at 0°C
7.
If matter has energy taken away .......
It contracts
It expands
It vaporises
Nothing happens
As matter is cooled down, the particles move more slowly and therefore can pack closer together
8.
When a smell spreads, particles move away from where they originated. This is called .......
Condensation
Diffusion
Dispersion
Evaporation
It takes a while for the smell to spread because the 'smelly' particles collide with particles of the air and travel around in random directions
9.
Which of these statements about solids is true?
They can be compressed easily
They do not flow
They have no definite volume
They take the shape of their container
The particles are fixed in place so the shape of a solid object does not change unless something is done to it e.g. it is hit with a hammer
10.
When a gas changes to a liquid, it .......
Boils
Condenses
Melts
Sublimes
If a gas has energy taken away (is cooled) the particles slow down
You can find more about this topic by visiting BBC Bitesize - Solids, liquids and gases

Author:  Sue Davison

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