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Demonstrating Chemistry

Fireworks, exploding cola bottles, dry ice and exploding eggs - bring spectacular experiments into your classroom with these resources and ideas for secondary lessons

There are 15 videos in this series.

3 mins Dry Ice - Sublimation
Professor Hal Sosabowski demonstrates a simple yet effective experiment which reveals several properties of solid carbon dioxide, which teachers can use in Key Stage 3/4 science lessons.
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3 mins Dry Ice - Exploding Bottles
Professor Hal Sosabowski reveals the explosive power of subliming dry ice in this demonstration idea for Key Stage 3/4 chemistry lessons to show that gases take up much more space than solids.
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3 mins Dry Ice - The Magnesium Sandwich
Using two blocks of frozen CO2, Professor Hal Sosabowski demonstrates how magnesium is so reactive that it can cause carbon dioxide to act as an oxidant, in an idea to use in Key Stage 3/4 chemistry lessons.
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3 mins Hydrogen - Rockets
An exciting lesson demonstration idea to use in Key Stage 3 and 4 chemistry lessons which illustrates what happens when hydrogen and air react.
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3 mins Hydrogen - Exploding Eggs
An exciting chemistry experiment idea for Key Stage 3/4 chemistry lessons, to illustrate how pure hydrogen burns.
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3 mins Sodium Ethanoate Stalagmite
Ideal for planning Key Stage 3 and 4 chemistry lessons, Professor Hal Sosabowski demonstrates a solid spontaneously coming out of solution in this visually beautiful experiment creating a sodium ethanoate stalagmite.
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3 mins The Minty Cola Fountain
Using just a bottle of fizzy cola and a packet of mints, Professor Hal Sosabowski demonstrates a dramatic, messy experiment for use in Key Stage 3 and Key Stage 4 chemistry lessons, showing carbon dioxide coming out of solution at immense speed.
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3 mins The Pulsing Reaction
Show students a stunning and spectacular reaction by mixing three colourless solutions, in an experiment idea for Key Stage 3 and Key Stage 4 chemistry lessons, demonstrated by Professor Hal Sosabowski.
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3 mins Glowsticks
A visually impressive experiment using glowsticks to show luminescence and rates of reaction, in this idea for Key Stage 3/4 chemistry lessons, demonstrated by Professor Hal Sosabowski.
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3 mins Lycopodium Powder
Professor Hal Sosabowski creates imposing sheets of flame in front of his face, using lycopodium powder, a finely divided carbohydrate powder, in an experiment idea for Key Stage 3 and 4 chemistry lessons.
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15 mins Demonstrating Chemistry: In the Classroom
Bring fireworks demonstrations into the science lab in a safe and fascinating way, through experiments relating to the KS3/4 science curriculum.
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15 mins Demonstrating Chemistry: The Science of Fireworks
Bring complicated fireworks into the classroom in this video explaining the science behind fireworks in KS3/4 science experiments that can't be replicated in school.
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30 mins KS3/4 Science - Demonstrating Chemistry - Top of the Flops
Dr Shini Somarathne presents a run-down of the top ten experiments that go wrong for teachers, compiled by school science support service CLEAPSS.
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15 mins KS3/4 Science - Demonstrating Chemistry: Exciting Elements
This programme takes a look at some extreme chemical reactions and explores a number of exciting experiments that can be performed in the classroom.
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15 mins KS4 Science - Demonstrating Chemistry
Health and safety regulations frighten many science teachers away from exciting practical experiments. But there is no need to be afraid: support exists to ensure chemistry demonstrations are practical and safe.
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