All Class experiment articles – Page 4
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Class 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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Class 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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Class 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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Class 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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Class 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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Class 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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Class 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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Class 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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Class 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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Class 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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Class 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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Class 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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Class 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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Class 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.
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Class experimentSome reactions of nitrogen dioxide
Using a range of chemicals and solutions, students can create an experiment that will explore some of the reactions of nitrogen dioxide. Includes kit list and safety instructions.
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Class experimentTesting acids and bases on a microscale
Test various substances with indicator solution and look for colour changes in this microscale class practical. Includes kit list and safety instructions.
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Class experimentMass changes in chemical reactions
Perform two chemical reactions to see whether any mass changes occur in this microscale class practical. Includes kit list and safety instructions.
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Class experimentThe oxidation of cyclohexanol by nitric acid
Perform a ring opening oxidation using nitric acid to produce the dicarboxylic acid, 1,6-hexanedioic acid (adipic acid) – and then use the solid crystals that form to determine a melting point. Includes kit list and safety instructions.
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Class experimentExploring the chemistry of chromium, molybdenum and tungsten
Discover how transition elements differ in aspects of colour, precipitate formation, changes in oxidation state and equilibria. Includes kit list and safety instructions.
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Class experimentBrady’s test for aldehydes and ketones
Identify aldehydes and ketones using Brady’s reagent (2,4-dinitrophenylhydrazine) in this microscale experiment. Includes kit list and safety instructions.