All Separation articles – Page 3
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ResourceMixing 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!
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
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Experiment
Separating sand and salt by filtering and evaporation
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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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 ...
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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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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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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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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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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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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.
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World War II: science ideas webs
A web of suggested ideas for linking science with the topic World War II. You can learn history and science together with activities for different age groups.
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Resource
Na Lochlannaich: lìontan nam beachdan saidheans
Lìon nam beachdan mollaichte airson ceangal a dhèanamh eadar saidheans agus an cuspair na Lochlannaich. Faodaidh tu eachdraidh agus saidheans ionnsachadh còmhla le gnìomhachasan airson buidhnean de dh’aoisean diofraichte
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Resource
An Dàrna Cogadh: lìontan nam beachdan saidheans
Lìon nam beachdan mollaichte airson ceangal a dhèanamh eadar saidheans agus cuspair An Dàrna Cogadh. Faodaidh tu eachdraidh agus saidheans ionnsachadh còmhla le gnìomhachasan airson buidhnean de dh’aoisean diofraichte
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Resource
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.
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Experiment
Colourimetric determination of copper ore
Use this practical to introduce students to the determination of copper ore by colourimetry using copper(II) sulfate. Includes kit list and safety instructions.
