These resources have been reviewed and selected by STEM Learning’s team of education specialists for factual accuracy and relevance to teaching STEM subjects in UK schools.

Growing Crystals

From the Centre for Science Education, and with support from Shell Education services, these materials help children to grow large crystals using salt solution. The crystals take about a week to grow. This activity gives children the opportunity to consider processes such as: * changing materials and that changes occur when materials are mixed, heated or cooled * crystallisation * reversible changes including dissolving and evaporating Teacher guidance gives information on the materials required, scientific context and an outline of the activity.

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This resource is a Category Three Materials

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