All Separation articles – Page 2

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    Water for survival

    Cover topics like filtration, distillation and temperature as your pupils purify water from a muddy pond to survive.

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    Mrs Johal's class

    In Search of Solutions: Sand, sawdust and salt, all mixed up, can your students recover them? Linking to topics on dissolving, evaporating, filtration and density.

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    Desert survival

    In Search of Solutions: Challenge students to extract drinking water from damp sand, a real desert survival scenario! Linking to topics on evaporation and condensation.

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    Kareena’s chemistry – episode 5: mixing and changing

    FunKids radio, in collaboration with the RSC, has produced a set of short chemistry snippets introducing children to chemistry- the what, why and how.

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    Separating mixtures

    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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    Outreach: crime scene chromatography

    2016-12-12T13:29:06Z

    The best pens for this activity are (1) A black felt tip pen (2) A black permanent pen (3) A Non-permanent black pen. These look the same on paper but have different chromatography results.

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    Mixing and dissolving materials

    In association with

    The ‘mixing and dissolving materials’ chapter from That’s Chemistry! This chapter looks at key ideas and activities that can be used to help students learn that mixtures are made up of more than one substance and that some mixtures can be separated.

  • 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.

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    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 ...

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    The life raft

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

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    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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    Distillation

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

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    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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    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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    Science ideas web: Space

    A web of suggested ideas for linking science with the topic Space. This web acts as a tool to support topic planning and the embedding of cross-curricular links. Each topic is split into three age ranges to cover different abilities. If you need to link a specific area of ...

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    Science ideas web: Ancient Egypt

    A web of suggested ideas for linking science with the topic Ancient Egypt. This web acts as a tool to support topic planning and the embedding of cross-curricular links. Each topic is split into three age ranges to cover different abilities. If you need to link a specific area ...

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    Science ideas web: the Vikings

    A web of suggested ideas for linking science with the topic the Vikings. This web acts as a tool to support topic planning and the embedding of cross-curricular links. Each topic is split into three age ranges to cover different abilities. If you need to link a specific area ...

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    Science ideas web: the golden age of Islamic science

    A web of suggested ideas for linking science with the topic the golden age of Islamic science. This web acts as a tool to support topic planning and the embedding of cross-curricular links. Each topic is split into three age ranges to cover different abilities. If you need to ...

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    Science ideas web: World War II

    A web of suggested ideas for linking science with the topic World War II. This web acts as a tool to support topic planning and the embedding of cross-curricular links. Each topic is split into three age ranges to cover different abilities. If you need to link a specific ...

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    Manufacturing sodium carbonate by the Solvay process

    An account of the Solvay process. This resource is part of the ‘Sodium carbonate – a versatile material’ resources collection, which presents learning material based on the manufacture and uses of sodium carbonate made by the Solvay (ammonia-soda) process.