All Class experiment articles
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Class experimentFinding the formula of copper(II) oxide
Use this demonstration with your 14–16 learners to deduce the formula of copper(II) oxide by reducing it with methane
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Class experimentHeating chocolate and egg
Introduce learners to physical and chemical changes and the safe use of Bunsen burners with this simple practical experiment
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Class experimentIron and sulfur reaction
Illustrate elements, mixtures and compounds with this demonstration and class practical exploring the exothermic reaction of iron and sulfur
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Class experimentThe change in mass when magnesium burns
A class practical to find the formula of magnesium oxide using the change in mass when magnesium burns
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Class experimentA microscale acid–base titration
Use microscale titration to complete an acid–base neutralisation with sodium hydroxide in this class practical. Includes kit list and safety instructions.
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Class experimentHeating copper in air
Explore the reaction of copper with oxygen to produce copper oxide by heating a copper envelope in this practical
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Class experimentElectrolysis of brine
Use this colourful practical to introduce learners to the electrolysis of brine, or sodium chloride solution. Includes kit list and safety instructions.
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Class experimentSupercooling and the energetics of freezing
Explore what happens when a liquid is supercooled and develop learners’ observation skills in this class practical
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Class experimentViscosity | Classic chemistry experiments | 11–14 years
Compare the viscosity of thick and thin liquids by measuring the time is takes for a bubble to move through them
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Class experimentParticles in motion? | Classic chemistry experiments | 11–14 years
Explore the movement of gas particles by reacting calcium carbonate with hydrochloric acid and testing with limewater
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Class experimentExperiments with particles | Classic chemistry experiments | 11–14 years
Use common classroom items to explore physical states and how materials interact in these three practical investigations
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Class experimentDissolved substances in tap water and seawater
Compare the solids and gases dissolved in tap water and seawater in this class practical and demonstration
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Class experimentRate of evaporation
Use this class practical to measure and compare the rate of evaporation of propanone under different conditions
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Class experimentMelting and freezing stearic acid
In this class practical students take the temperature of stearic acid at regular intervals as they heat and cool it. Includes kit list and safety instructions.
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Class experimentMicroscale diffusion of a gas | 11–16 years
Explore diffusion with this simple and effective microscale experiment
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Class experimentMicroscale titration | 11–16 years
Use this simple microscale titration experiment with integrated instructions to introduce your learners to titrations
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Class experimentUniversal indicator microscale | 11–16 years
Introduce learners aged 11–16 to the concept of pH and address common misconceptions regarding the use of indicators
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Class experimentElectrolysis ar raddfa micro | 14-16 oed
Defnyddiwch y fersiwn hon ar raddfa micro o electrolysis copr(II) clorid i archwilio arbrawf ymarferol allweddol yn ddiogel
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Class experimentElectrolysis on a microscale | 14–16 years
Use this microscale version of the electrolysis of copper(II) chloride to safely explore a key practical experiment
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Class experimentAcid–base back titration | 16–18 years
Write balanced equations and calculate reacting masses and moles to find the limiting reagent