Dissolving salt | Johnstone’s triangle worksheets | 11–14 years

Source: Royal Society of Chemistry

Use this worksheet to develop learners’ understanding of solutions as they observe how salt and sand behave in water

Develop learners’ thinking about solutions at three different conceptual levels: macroscopic, sub-microscopic and symbolic.

This resource is made up of a Johnstone’s triangle worksheet which can be used to introduce the three different conceptual levels, plus teacher notes with guidance, a learner activity and answers.

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