All Observing and measuring articles – Page 7

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Blowing hot and cold: edible experiments

Why do spicy foods tasts hot and minty foods taste cold? Discover the importance of chemistry in everyday eating experiences with this edible experiment.
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Found in the ground

2017-01-03T15:34:00Z

Give your pupils the knowledge and the opportunity to classify materials according to rocks, minerals and fossils.
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Virtual rock kit

A collection of common sedimentary, metamorphic and igneous rocks. Each rock has images showing particle arrangements, the rock after weathering, hand sized specimens and the rock in use.
Class experiment
Colourful chemistry

2016-12-14T11:25:00Z

Get colourful with chemistry with these experiments, perfect for learners to explore density and liquids
Class experiment
Chromatography: how black is a black pen?

Black never goes out of style, and with this experiment learners can explore what colours go into making black ink with chromatography
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White powder mix-up at the factory

Learners create their own chemical investigative company, and solve the mystery of the white powder mix-up. Includes kit list, and safety instructions.
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Water for survival | 11-16 years

Practical problem-solving investigation including filtration, distillation and temperature. Includes kit list and safety instructions.
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Secret in the sachet

What’s the secret inside the cut flower sachet? Find out with this class session. Includes kit list and safety instructions.
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Dense liquids: kitchen science podcasts

Introduce your students to liquids of different densities with this short podcast.
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Solutions and mixtures: kitchen science podcasts

Introduce your students to solutions, mixtures and separation techniques with this short podcast.
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Reversible and irreversible changes: kitchen science podcasts

Introduce your students to reversible and irreversible changes in your kitchen with this short podcast.
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Vinegar as an acid: kitchen science podcasts

Introduce your students to acids and irreversible reactions with this short podcast.
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Water: kitchen science podcasts

Introduce your students to water, dissolving and changes of state with this short podcast.
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Teflon: kitchen science podcasts

Introduce your students to Teflon and the properties of materials with this short podcast.
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Jelly: kitchen science podcasts

Reinforce ideas about dissolving and chemical changes with this short podcast about jelly.
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Salt: kitchen science podcasts

Introduce your students to the properties of salt with this short podcast.
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Colourful food: kitchen science podcasts

Introduce your students to colours in food with this short podcast.
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Water and hydrogels

Challenge your students to answer the question: are we wasting water?
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The squashed tomato challenge

2016-12-12T13:36:00Z In association with Practical Action

Students design, build and test a method of transporting tomatoes
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The Mpemba effect

Help discover why warm water freezes quicker than cold water. The Royal Society of Chemistry offered £1000 for the best and most creative explanation of this phenomenon, known as the Mpemba effect. View the winning entry, try the experiment for yourself, or read the original paper.