UNIT 5: WATER
Water
At the end of this unit, pupils should be able to:
• state the properties of pure water
• recognise and name the three states of water
• list some substances that dissolve in water
• conclude that some substances dissolve in water to form colourless or
coloured solutions
• explain the importance of ltration and purication of water
• make a model of a water lter bed
• state the importance of water to living things
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