All Experiment articles – Page 3

  • Picture of swirling patterns of food colouring in milk
    Experiment

    Investigating 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. 

  • Picture of kitchen roll
    Experiment

    Kitchen 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. 

  • Butter and other dairy products
    Experiment

    How to make butter

    Make science delicious with this experiment on how to make butter! Explore how fat molecules bind, and emulsions are created. 

  • Glass of orange juice
    Experiment

    Tricking 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.

  • Picture of an orange bath bomb fizzing under water
    Experiment

    Making 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

  • Picture of chopped red cabbage
    Experiment

    Red cabbage rainbows

    In this activity, learners create rainbows using homemade red cabbage indicator paper. Includes video aimed at learners, kit list, instruction and explanation

  • Picture of a modern kitchen
    Experiment

    Separation 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

  • A close-up, full-frame image of bubbles of different sizes in a purple liquid
    Experiment

    Electrolysis of brine

    In association with

    Use this colourful practical to introduce students to the electrolysis of brine, or sodium chloride solution. Includes kit list and safety instructions.

  • Two coloured cobalt solutions - one pink, one blue
    Experiment

    The equilibrium between two coloured cobalt species

    In association with

    In this demonstration the equilibrium between two different coloured cobalt species is disturbed. Le Chatelier’s principle is used to predict a colour change.

  • A yellow precipitate forming in a clear liquid against a black background
    Experiment

    Precipitation 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.

  • sulfur lake and stone sulfur
    Experiment

    Some 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. 

  • A close-up photograph of spiral-shaped brass turnings
    Experiment

    The 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.

  • A plastic model of a molecule of hydrogen sulfide, with a yellow sulfur atom and two white hydrogen atoms
    Experiment

    Microscale 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.

  • A 3D illustration of a molecule of ammonia, with a nitrogen atom in blue and three hydrogen atoms in white
    Experiment

    Microscale 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.

  • Tap water image
    Experiment

    Measuring 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. 

  • Sodium thiosulfate crystals
    Experiment

    The 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.

  • Image
    Experiment

    Some 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.

  • A scientist wearing disposable gloves holds indicator paper over a slice of lemon and a bar of soap
    Experiment

    Testing 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.

  • A hand pressing the zero or tare button on a laboratory balance
    Experiment

    Mass 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.

  • Bottle of nitric acid
    Experiment

    The 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.