All Separation articles – Page 3

  • White powder image
    Resource

    White powder mix-up at the factory

    Learners create their own chemical investigative company, and solve the mystery of the white powder mix-up. Includes kit list, and safety instructions. 

  • Muddy water in glass image
    Resource

    Water for survival | 11-16 years

    Practical problem-solving investigation including filtration, distillation and temperature. Includes kit list and safety instructions.

  • sawdust image
    Resource

    Separating sand, sawdust and salt

    Sand, sawdust and salt will mix in interesting ways, and learners will need to use all their chemical knowledge to separate them, ready for Mrs Johal’s next class. Includes kit list and safety instructions. 

  • Desert survival kit image
    Resource

    Desert survival | 9-14 years

    Discover more about evaporation and condensation with this practical, that gives learners a chance to test their skills in a survival setting. Includes kit list and safety instructios.

  • picture of a selection of different coloured sweets
    Resource

    Colourful food: kitchen science podcasts

    Introduce your students to colours in food with this short podcast.

  • photo of boy and mother experimenting with mixtures and solutions
    Resource

    Mixing and changing: primary science podcasts

    Introduce your students to mixing and separating mixtures, and investigating reversible and irreversible changes with this short podcast.

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    Resource

    Separating mixtures: That’s Chemistry!

    In association with

    The ‘separating mixtures’ chapter from That’s Chemistry! This chapter looks at key ideas and activities that can be used to help students learn how sieving can separate particles of different sizes and other methods used for separating mixtures.

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    Experiment

    Crime scene chromatography

    Using three different black pens, learners can put their scientific curiosity to use and explore chromatography

  • A photograph showing apparatus for filtering mixtures, including conical flasks, glass funnels and filter paper
    Experiment

    Separating sand and salt by filtering and evaporation

    In association with

    Try this class experiment to practise manipulating mixtures of soluble and insoluble materials by separating sand and salt. Includes kit list and safety instructions.

  • Colour powder
    Experiment

    Colour chemistry

    A variety of experiments that explore colour changing, so learners can experience a comprehensive look into the brighter side of chemistry

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    Resource

    Chemistry and food security

    This context/problem-based learning (C/PBL) resource is part of a collection we have commissioned for you to use with your undergraduate students. This 5 credit module is based on the following scenario:This resource will give your students an introduction to food safety and DNA analysis. It is based on DNA and ...

  • The life raft cover image
    Resource

    Ion-exchange resin and water

    Evaluate the advantages and disadvantages of a selection of resins and decide which one(s) would be best for producing pure water from seawater on a life raft.

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    Resource

    Dean-Stark apparatus

    There are many equilibrium reactions that yield water as a co-product. It is the co-produced water that prevents a high yield of product being obtained. The removal of the water is necessary to drive the reaction to completion and this is done using Dean-Stark apparatus. The reaction is carried out ...

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    Resource

    Distillation

    Distillation separates liquids on the basis of them having different boiling points. Video: Distillation video

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    Resource

    Recrystallisation

    Recrystallisation is a means of purifying solids. If carried out correctly the final product will be both of a high yield as well as pure. Video: Recrystallisation video

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    Resource

    Vacuum filtration

    When a solid needs to be isolated from a solution it is normally done at a reduced pressure using a Buchner flask and Buchner funnel. Video: Vacuum filtration video

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    Resource

    Space: science ideas webs

    A web of suggested ideas for linking science with the topic space. You can learn history and science together with activities for different age groups.

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    Resource

    Ancient Egypt: science ideas webs

    A web of suggested ideas for linking science with the topic Ancient Egypt. You can learn history and science together with activities for different age groups. 

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    Resource

    The Vikings: science ideas webs

    A web of suggested ideas for linking science with the topic the Vikings. You can learn history and science together with activities for different age groups. 

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    Resource

    The golden age of Islamic science: science ideas webs

    A web of suggested ideas for linking science with the topic the golden age of Islamic science. You can learn history and science together with activities for different age groups.