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Difficulty: Fun While Eddie is away on holidays his swimming pool has a leak. Each day it loses half the water still in the pool. Normally, it’s 1.6 metres deep, but when Eddie gets home there is only 10 centimetres of water in the bottom. How long has the pool been leaking?

Our planet is covered in water. You’ll find it in oceans and rivers, as clouds in the sky, and even inside our bodies. Can you get 5/5 in this quiz, or will you start taking on water?

Need a breather? Time for a quiz! While you might know a little about your own breathing, what do you know about how tadpoles breathe? Time to test your knowledge on this and other science topics.

This quiz we’re looking at volumes. Time to fill up on some science knowledge!

Have you ever wanted to bring your pictures to life? Here’s one neat trick to make a drawing float away, literally!

There’s something for everyone in our summer assortment quiz. Try this fun mix of questions from across the sciences! If you’re after more fun science for kids, subscribe to Double Helix magazine!  

Here’s a balancing game, but with a bit of practice you will always win! Why? Because you’ve set up a clever trick.

Lava lamps look super cool, but they can be expensive and hard to find. With this activity, you can make your own bubbly lava and learn a bit about oil and water!

Is there life on other planets? It may seem like we’re alone in the universe, but there’s still hope. The race is on to find signs of life on Earth-like planets, which have atmospheres and liquid water on the surface.

In some ways, Venus is Earth’s twin – it’s the closest planet to Earth, and it’s almost exactly the same size. But poor Venus flies too close to the Sun. Brighter sunlight and a runaway greenhouse effect makes Venus unbearably hot, with temperatures averaging more than 450 degrees Celsius.