All Separation articles
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ResourcePractical planning: spot the mistakes | 14–16 years
Use these exam-style questions to check your learners’ understanding of experimental skills and strategies
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Feature
Decomposition in daily life
Introduce your students to some applications of decomposition reactions: clean energy, bleach and baking
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Feature
Everything you need to teach fractional distillation
With this poster and classroom activity, your 14–16 students will soon be experts
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Ideas
How to use models to boost understanding
Help students make sense of the chemistry they can’t see with memorable representations
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Topic web
Uisce a spáráil agus truailliú i dtimthriall an uisce | 7–9 mbliana
Nasc do theagasc curaclaim faoi uisce agus timthriall an uisce le comhthéacsanna spéisiúla inbhuanaitheachta. Sa ghréasán topaicí seo, moltar gníomhaíochtaí ranga a bhaineann le truailliú i dtimthriall an uisce, an chaoi a nglantar uisce agus an chaoi a n-úsáidfimis níos lú uisce.
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Topic web
Arbed dŵr a llygredd yn y cylch dŵr | 7–9 oed
Cysylltwch eich darpariaeth addysgu ar gyfer y cwricwlwm ynghylch dŵr a’r cylch dŵr â chyd-destunau cynaliadwyedd diddorol. Mae’r we pynciau hon yn awgrymu gweithgareddau yn yr ystafell ddosbarth ynghylch llygredd yn y cylch dŵr, sut mae dŵr yn cael ei lanhau a sut gallwn ni ddefnyddio llai ohono.
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Resource
Plant-based proteins | 16-18 years
Name common amino acids and draw the structural formulas of dipeptides and tripeptides in this resource for 16-18 year old learners before considering how thin layer chromatography can be used to separate and analyse amino acids in a mixture.
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Topic web
Saving water and pollution in the water cycle | 7–9 years
Connect your curriculum teaching on water and the water cycle to engaging sustainability contexts. This topic web suggests classroom activities on pollution in the water cycle, how water is cleaned and how we can use less of it.
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Ideas
Teach justice and cooperation through chemistry
Link forensic science and the Covid-19 pandemic to your lessons on instrumental analysis, separation techniques, data interpretation and health with UN sustainable development goals 16 and 17
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Ideas
Add sustainable management of water to your existing lessons
Quick and simple tips and activities to link UN sustainable development goal 6 to separation techniques, potable water and more
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Feature
Decaffeination – how does it work?
Organic solvent, supercritical carbon dioxide or water? A knowledge of solvents and solutions is essential for removing caffeine from your daily cuppa
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News
Recycling lithium from electric vehicle batteries
Start a lesson with news of a mechanochemical recovery method that’s better for the environment
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Resource
Tidy and sort
This package provides an opportunity for the children to investigate a variety of ‘mixtures’ and the means by which they are best separated. The activities are put in context using a storybook, in which two sisters are presented with tubs of mixed objects to sort out. One of the sisters always wants to find the easiest way to sort the objects, and the other sister begins to use the same approach.
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Resource
Lithium: separation, mining and battery power | 11–14 years
Test your 11–14 students’ knowledge of separation techniques; elements, mixtures and compounds; periodic table trends
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Feature
Lending a hand with sanitiser
When one of the key weapons in the fight against Covid-19 was in short supply, some unlikely manufacturers stepped in
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Resource
Paper chromatography | Practical videos | 14–16 students
Video resources showing how to carry out paper chromatography and how to calculate RF values
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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.
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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
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Feature
Freeing the world from chemical weapons
Chemists have helped destroy 97% of declared banned substances, finds Andy Extance, and are pushing to get the rest
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Resource
Structure determination starter (16–18)
Practice interpreting 1H and 13C NMR, mass spectra, and thin layer chromatograms with these Starter for ten questions.
