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It’s the silly season! Looking for a way to celebrate with science? Try this collection of hands-on activities.

Here’s some gross science for you to get hands-on with! This gloopy recipe produces some amazing fake snot.

The holidays are coming, and it’s time to start decorating. What better way than a bright, colourful, mathematical star decoration!

Here’s a great excuse for a trip up a mountain! Grab some bottles and learn why it’s hard to breathe at the top of tall mountains.

Here’s a quick sliding puzzle to get your brain pumping. See if you can separate the light and dark counters in as few moves as possible!

Here’s a fun little firework you can make at home. A couple of simple household chemicals grow into a gigantic black snake!

This month, CSIRO released its latest collection of favourite hands-on activities for kids. The Double Helix editorial team explains the thinking, splashes, scares and surprises they encountered while testing their new book: More Hands-On Science.

In this sample from More Hands-on Science, we’re looking at infinitely detailed shapes known as fractals. If you do this activity, you can discover a fractal called the dragon curve!

What happens when you cover an egg in soot? It gets super black, but also super shiny!

Craft yourself a mathematical ring to learn about straight lines on donuts. Don’t laugh, they do exist!