All Experiment articles – Page 3
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ExperimentLiquids, gases and the ‘lava lamp’
Investigate liquids and gases, plus practise taking accurate measurements, with detailed teacher notes, classroom slides and a video demonstration.
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ExperimentFreezing and the ‘intriguing ice’ experiment
Try this investigation to explore how materials change when they freeze, with detailed teacher notes, classroom slides and a video demonstration.
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ExperimentEquilibrium and Le Chatelier’s principle
Investigate the effects of concentration, pressure and temperature on equilibrium and explore Le Chatelier’s principle in this series of demonstrations.
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ExperimentHow to purify water
Explore the water cycle, and see how it can be used to purify your own water. A perfect experiment for the classroom, or at home, with kit list and safety instructions included.
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ExperimentInvestigating surface tension with milk
Using simple household equipment, you can explore surface tension with learners, and create amazing patterns in milk. Includes kit list and safety instructions.
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ExperimentKitchen roll chromatography
Coloured inks can be a mix of a few different colours, and with chromatography, learners can actually see which colours come together to make that coloured ink. This experiment includes a kit list, and safety instructions.
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ExperimentHow to make butter
Make science delicious with this experiment on how to make butter! Explore how fat molecules bind, and emulsions are created.
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ExperimentTricking taste buds with toothpaste
Keep tongues wagging as you explore the science of your tongue! Toothpaste can alter how our taste buds work, and learners will discover how to trick them.
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ExperimentMaking bath bombs
Learn how to make fizzing bath bombs using ingredients from your kitchen cupboards. Includes a video aimed at learners, kit list, instructions and explanation
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ExperimentRed cabbage rainbows
In this activity, learners create rainbows using homemade red cabbage indicator paper. Includes video aimed at learners, kit list, instruction and explanation
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ExperimentSeparation techniques
An experiment into separating solids from liquids, using a range of simple household objects. Includes kit list, safety instructions and a great instructional video
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ExperimentElectrolysis of brine
Use this colourful practical to introduce students to the electrolysis of brine, or sodium chloride solution. Includes kit list and safety instructions.
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ExperimentThe equilibrium between two coloured cobalt species
In this demonstration the equilibrium between two different coloured cobalt species is disturbed. Le Chatelier’s principle is used to predict a colour change.
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ExperimentPrecipitation reactions of lead nitrate
Compare the colours of various lead compounds to identify which would be good pigments in this microscale practical. Includes kit list and safety instructions.
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ExperimentSome reactions of sulfur dioxide
Observe the reactions of sulfur dioxide with potassium manganate (IV), iodide/iodate mixture and indicator solution. Includes kit list and safety instructions.
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ExperimentThe determination of copper in brass
Try this microscale class practical to investigate how much copper there is in brass using nitric acid. Includes kit list and safety instructions.
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ExperimentMicroscale reactions of hydrogen sulfide
Observe the reactions of hydrogen sulfide with lead nitrate, silver nitrate and potassium manganate(VII) in this microscale practical. Includes kit list and safety instructions.
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ExperimentMicroscale reactions of ammonia
Try this practical to explore the reactions of ammonia with indicator solution, copper(II) sulfate solution and Nessler’s reagent. Includes kit list and safety instructions.
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ExperimentMeasuring density
By measuring the relative mass of seawater and tap water, students will be able to discover the density of these liquids. Includes kit list and safety instructions.
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ExperimentThe chemistry of thiosulfate ions
Sodium thiosulfate has several interesting reactions with a variety of chemicals. This experiment will let students explore and record these reactions. Includes kit list and safety instructions.