Materials Y5 End of Unit

Which material conducts electricity and is magnet, choose one from the following options:

• Wood

• Steel

• Paper

• Wax

Choose a material that does not conduct electricity and does not melt:

• Wood

• Steel

• Paper

• Wax

Which material does not conduct electricity, but does melt:

• Steel

• Wood

• Paper

• Wax

Y5 are conducting an experiment, mixing bicarbonate soda with vinegar. Which two properties make the balloon a good material to put over the bottle?

• smooth

• opaque

• flexible

• stretchy

What material is produced that makes the balloon blow up when the bicarbonate soda mixes with vinegar?

(a)  

Tick the reversible mixtures:

• Mixing salt and water

• Cooking a fried egg

• Mixing flour and water

• Burning Wood

Is burning a reversible or irreversible process? Explain why.

Tony was conducting an investigation to test how waterproof different materials were.  Here are the results.

• A

• B

• C

• D

Which image shows how particles in a liquid are arranged.

• 1

• 2

• 3

• 4

True or false: Particles in a gas move freely  past each other .

 

• True

• False