In search of more solutions: After meal puzzle

Work out how to remove a cube of ice from a glass of water using string and dinner table items.

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Resource
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. Follow the links below to buy a copy from our online ...
Experiment
Air pressure, gases and the leaky bottle
Try this simple investigation to explore the effects of air pressure, with detailed teacher notes, classroom slides and a video demonstration.
Experiment
Properties of gases, air pressure and ‘sticky’ cups
Try this investigation to explore the effect of heat on gases, with detailed teacher notes, classroom slides and a video demonstration.

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Resource
The pH scale and the chemistry of ocean acidification | 14–16 years
Worksheet to develop understanding of the pH scale and apply it in the context of ocean acidification. Extension questions provide more challenge on carbonic acid and acid base equilibrium, leading to a research task on the consequences for marine organisms.
Resource
Microscale neutralisation and precipitation reactions
2021-08-02T05:32:00Z
Hone your students’ observation skills by asking them to observe two microscale reactions: neutralising citric acid and creating a lead iodide precipitate
Resource
Catalysts and reaction conditions for sustainable industry | 16–18 years
Research and presentation activity based on catalysts and reaction conditions in the context of sustainable industry.