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# Practice - Materials and Their Properties - 10

Hello explorers and future scientists! Ready for an exciting adventure into the wonderful world of science? This quiz will take you on a journey through the properties of materials, changes of state, mixtures, solutions and lots more! Put on your thinking cap and let's dive right in. Best of luck!
1.
What is a solution?
A type of liquid
A mixture of a solid and a liquid
A type of gas
A mixture of two solids
A solution is a type of mixture where a solid (solute) dissolves in a liquid (solvent).
2.
Are all metals magnetic?
Yes, all metals are magnetic.
No, not all metals are magnetic.
Impossible to say.
None of the above.
No, not all metals are magnetic. For example, iron is magnetic but copper and aluminium are not.
3.
What is it called when a liquid changes to a gas?
Freezing
Evaporation
Melting
Condensation
When a liquid changes into a gas, the process is called evaporation.
4.
Which of these is a good conductor of heat?
Wood
Plastic
Wool
Metal
Metals are good conductors of heat. That's why saucepans are often made of metal!
5.
What is it called when a gas changes to a liquid?
Condensation
Melting
Evaporation
Freezing
The process of a gas changing into a liquid is called condensation.
6.
Can you separate a salt water solution?
No, you can never separate a solution.
Yes, by evaporation and condensation.
Yes, by freezing.
Yes, by filtering.
Yes, you can separate a salt water solution by evaporation and condensation. This is also known as distillation.
7.
How many states of matter exist?
1
2
4
6
There are four main states of matter: solid, liquid, gas, and plasma
8.
Can liquids change shape?
Yes
No
Depends on the liquid
None of the above
Yes, liquids can change shape. That's why they take the shape of the container they are in.
9.
Which one of these is not a property of a solid?
Has a fixed shape
Has a fixed volume
Particles are closely packed
Particles can move freely
In solid, particles are closely packed and can't move freely. That happens in liquids and gases.
10.
What state of matter is water at room temperature?
Solid
Liquid
Gas
None of the above
At room temperature, water is in its liquid state.
Author:  Graeme Haw