Science at key stage 3 (Year 7)

Unit 7H: Solutions

Out-of-school learning

Pupils could:

find out where distilled water is used and about other uses of distillation
look at labels of household liquids to find out whether they are pure liquids or mixtures

Sections in this unit

This unit is divided into sections. Each section contains a sequence of activities with related objectives and outcomes. You can view this unit by moving through the sections or print/download the whole unit.


	1. How can we tell whether a liquid is a mixture?
	2. How much salt can we get from rock salt?
	3. What happens to the solute when a solution is made?
	4. How can we separate solvents from solutes?
	5. a. How can chromatography separate and identify substances in mixtures?
	6. b. How can chromatography separate and identify substances in mixtures?
	7. Checking progress
	8. Is there a limit to the amount of solid that will dissolve in a liquid?
	9. What else affects solubility?
	10. Reviewing work