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Includes paper chromatography in the context of a forensic investigation: https://www.stem.org.uk/resources/elibrary/resource/30923/hana-abbasi-lesson-1-uncut

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KS5 identification of compounds

mass spec, NMR ect

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KS5 separation funnel

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Students are provided with a mixture containing sulfur, sand, food dyes and iron filings. Students are also provided with appropriate equipment and must decide how best to separate the mixture.

Students must be aware of the definition of a mixture - material made up of two or more substance physically combined

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the science teacher - science thinking resources and pedagogy

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Separating mixtures: techniques teaching resources - the science teacher

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Worksheets and lesson ideas to challenge students aged 11 to 16 to think hard about separating mixtures (GCSE and Key Stage 3) Teaching resources The resources below should only be used after all the separation techniques have been taught. Selecting the appropriate separating technique GCSE activity where students select the appropriate separating technique. Students select the

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KS3 - Visually identification

KS4 - rF calc's and unknowns

KS5 - TLC

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Design your own model for chromatography

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Design your own model for chromatography

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Students tasked with explaining chromatography using their own model/story board e.g.

https://staff.concord.org/~ddamelin/chemsite/a_Intro/images/Overheads_large/insect_chromatography.jpg

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KS5 Test for purity

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Using analogies/models for understanding the concept. e.g. passangers passing through an airport terminal, interacting with duty-free shops to different extents

https://www.youtube.com/watch?v=e8i374hrWQg

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A series of peaks to be supplied and analysis performed on the components to derive the original compound

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Sweets work well for engagement

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Storyline over several lessons e.g. Solving a murder 

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Storyline over several lessons e.g. Solving a murder 

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To investigate 4 samples of sea water and use the salt concentration to determine the source of the water