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This content is taken from the National STEM Learning Centre's online course, Teaching Primary Science: Chemistry. Join the course to learn more.

Introduction to changes of materials

This week we will look at changes in materials, such as dissolving and chemical reactions.

Some changes can be reversed (physical changes) whilst others are irreversible (chemical changes). We will start by looking at dissolving.

Your explanations

In the comments below, post how you would explain what dissolving is. What key words might you wish to use?

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This video is from the free online course:

Teaching Primary Science: Chemistry

National STEM Learning Centre