Get particular about particles

By Paul Caden2025-07-23T04:47:00

A bowl containing pebbles, another with powdered sugar and an empty bowl

Source: Composite image, all Shutterstock: © Wirestock Creators, © Bigacis, © Ann Yuni

Be creative when demonstrating coarse, fine and nanoparticles – make a model

As a scientific concept, size does matter when it comes to particles and it’s one your 14–16 students will need to grasp, potentially with the help of some small pebbles, icing sugar and imagination. Read this article for teacher-tested ideas for lessons on so-called boring and dry topics, such as nanoparticles.

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