All Class experiment articles – Page 14
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Class experimentNeutralising an acidic solution
Use this simple practical to illustrate the pH and temperature changes as an acidic solution is neutralised. Includes kit list and safety instructions.
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Class experimentComparing light- and heavy-duty detergents
Try this set of experiments to compare the effects of light- and heavy-duty detergents with different pH values. Includes kit list and safety instructions.
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Class experimentCorrosion in different atmospheric conditions
Try this practical to test the corrosion of metals in dry air, moist air and air polluted by acidic sulfur dioxide. Includes kit list and safety instructions.
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Class experimentPreparing a soluble salt by neutralisation
In this practical, students react alkaline ammonia with sulfuric acid to form the soluble salt ammonium sulfate. Includes kit list and safety instructions.
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Class experimentThermal decomposition of metal carbonates
Use this class practical to compare the thermal stabilities of carbonates of reactive and less reactive metals. Includes kit list and safety instructions.
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Class experimentWhere is carbon in the reactivity series?
Determine the position of carbon in the reactivity series by heating with metal oxides in this practical and demonstration. Includes kit list and safety instructions.
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Class experimentElectrolysis of copper(II) sulfate solution
Explore the electrolysis of copper(II) sulfate solution and related industrial processes with this class experiment. Includes kit list and safety instructions.
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Class experimentTesting the pH of different solutions
Use this practical to reinforce students’ understanding of pH by preparing and testing acidic and alkaline solutions. Includes kit list and safety instructions.
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Class experimentYeast and the expansion of bread dough
Try this class practical to investigate how temperature affects yeast and the expansion of bread dough. Includes kit list and safety instructions.
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Class experimentCatalysis of the reaction between zinc and sulfuric acid
Compare the rate of reaction between zinc and sulfuric acid with copper as a catalyst in this simple class practical. Includes kit list and safety instructions.
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Class experimentDetergents, soaps and surface tension
A series of brief experiments on the effects of detergents and soaps on the surface tension of purified and hard water. Includes kit list and safety instructions.
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Class experimentMaking soaps and detergents using castor oil
Try this class practical to make a soap or detergent using castor oil and either sodium hydroxide or sulfuric acid. Includes kit list and safety instructions.
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Class experimentMaking a pH indicator using red cabbage
Try this class practical to make a pH indicator from red cabbage with your students. Includes kit list and safety instructions.
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Class experimentElectrochromic polymer
Can polymers conduct electricity as well as metals? Using this experiment, learners will discover how the two materials differ. Includes kit list and safety instructions
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Class experimentGreen plastics
Discover more about the science of green plastics with this in depth session on bio-plastics and the issues around fossil fuels
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Class experimentSunlight to electricity
Sunlight can be a powerful natural tool. Learners can explore the science of solar in this experiment, includes kit list and safety instructions
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Class experimentSnap, crackle and snot
Investigate some of the weird and wonderful properties of solids, liquids and gases, in this range of experiments