Keeping Clean Unit Guide

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This Salters’ Chemistry Course unit from the University of York Science Education Group covered:
• The use of soaps and soapless detergents.
• Emulsions and the action of emulsifiers.
• The hardness of water.
• The manufacture and use of cosmetics, shampoos.
• Toothpastes and household cleaners.

[b]Core contents[b]
KC1: How can we make a soap?
KC2: How easily does soap lather with different samples of water?
KC3: What causes hard water?
KC4: How do soaps and soapless detergents differ?
KC5: How can we clean and protect our skin?
KC6: What do we use to clean our hair?
KC7: What do we use to clean our teeth?
KC8: Designing and testing a household cleaner.
KC9: Marketing a household cleaner.

URL: http://stem.org.uk/rx82o

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