Determine why a drink froths less if you leave the can to stand after shaking it.
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In Search of More Solutions provides material for chemical “egg race” competitions that help to put the fun back into chemistry, and gives students that “little bit extra” to motivate them to follow a scientific or technical career.
Six more puzzles to challenge and enthuse your students
Nina Notman explains why forest fires in Indonesia made the sky look red
What exactly is happening when foods change colour?
Practise data analysis skills with 11–14
Help to apply maths skills to chemistry lessons: ratios
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