WorksheetsSeparating materials
Total questions: 9
Worksheet time: 7mins
What method can we use to separate materials of different sizes?
Filtering
Sieving
Evaporating
Decanting
Which of the following is an example of insoluble material?
Salt and water
Sugar and water
Flour and water
Coffee and water
What method could we use to separate insoluble materials?
Decanting
Filtering
Dissolving
Evaporating
What process would help us reverse (undo) mixing of soluble substances?
Sieving
Filtering
Decanting
Evaporating
What energy source do we need to evaporate a liquid?
Electricity
Heat
Light
Gas
How would you separate stones, sand and salt?
How could you speed up the process of dissolving?
Use more water
Use warmer water
Use more salt
Use colder water
Which of these is a reversible change?
Melting chocolate
Baking cakes
Burning wood
Cutting paper
Which of these is an irreversible change?
Mixing salt and water
Burning toast
Melting wax
Mixing sugar and water
