In search of more solutions: Warning device

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Design a warning device that will give out a signal when activated. The device must be powered by the chemical reaction between 3 level teaspoons of citric acid and 1 level teaspoon of bicarbonate of soda.

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Warning device - teacher
Experiment | PDF, Size 0.27 mb
Warning device - student handout
Experiment | PDF, Size 0.24 mb
Index of activities and junk list final
PDF, Size 0.34 mb

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In Search of more Solutions book: £19.95

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In Search of More Solutions
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.
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Bioanalytical scientist
Claire’s work involves stress testing new medicines in various stages of drug development to ensure they are robust and reliable before being released onto the consumer market
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Analytical chemist
Tilly does research on human breath samples to potentially diagnose conditions like asthma and infectious diseases including cancer

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