Tag Archive for: primary

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Tag Archive for: primary

Big Mouth Tumblewings

Explore flight the unusual way, with a tumblewing – a spin-stabilising slope-soaring paper plane. Easy to make, challenging to fly.

Lunar diaries

Explore the moon from your back yard with our handy downloadable observation diary.

Homemade lava lamp

Activity page (with video) from the Royal Institution.

You’ll find this activity all over the internet and in loads of science activity books, and this is a particularly nice film both illustrating it and exploring how you might use it as a family project. There’s plenty to discuss around around why some things float and others sink, and hence the concept of density.

This is another film from the Royal Institution’s ExpeRimental series, all of which are worth checking out.

Updated March 2026: links now point to the most appropriate equivalent pages at the Royal Institution’s current website.

Rubber Band Cannons

Instructions (with video) at the Royal Institution’s page.

An easy make & do with household scrap and elastic bands, from the Royal Institution’s excellent ExpeRimental series. These are all straightforward activities using household materials, perfect for families to collaborate or compete over on a rainy day.

This film shows you how to turn crisp tubes and a small pop bottle into a surprisingly powerful (and entertainingly inaccurate) foil-firing cannon. Along the way there’s plenty of opportunity to discuss energy transfer and projectile dynamics… or simply to knock things over and cause widespread mayhem.

updated March 2026: we’ve updated the links above to point to the closest equivalent resources at the Royal Institution’s current website.