Materials end of unit quiz

What are the properties of glass?

• transparency

• flexibility

• waterproof

• electrical conductivity

Why has this metal been chosen for the chain?

• because it is waterproof

• because it conducts electricity

• because it is strong

• because it can be moulded into shape when it is hot

Which materials could be separated from other rubbish for recycling using a strong magnet?

• aluminium cans

• steel cans

• plastic bottles

• cardboard packaging

Which way does heat travel?

• From cold to hot

• From hot to cold

Does heat travel equally through all materials?

• Yes

• No

What do we call a solute that does not dissolve when mixed with a solvent?

• irreversible

• reversible

• soluble

• insoluble

Is salt soluble in water?

• Yes

• No

How can we separate two solids?

• filtering

• sieving

• evaporation

How can we separate a soluble solid and a liquid?

• filtering

• sieving

• evaporation

How can we separate an insoluble solid from a liquid?

• filtering

• sieving

• evaporation