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Ever wondered how TVs can make so many colours? Make some coloured torches and learn to blend like a TV in this activity from our book, Puzzles and Projects.

By Patrick Mahony Have you ever been surprised by a static shock? This clever device can measure electrical charge!

This quiz is all about fibres. From fabric to food, there’s plenty of fibre to chew over!

Scientists measure all kinds of things, from plants to planets. And sometimes, they invent strange scales to measure things against – as you’ll discover in this quiz!

This simple toy can balance on a table edge or a fingertip. So get your craft on and have some physics fun!

These questions have gone feral, from introduced animals to rogue planets. Can you tame the beast and beat this quiz?

Find out how imaginary monsters have influenced science in this quiz. You’ll need a brave heart and a sharp mind to get full marks!

Blast into orbit with this well-rounded quiz. Will you crash back to Earth, or reach the stars?

This simple toy is made from a few paperclips and can jump high into the air. Time to get bending!

This quiz is all about growth! Can you grow your knowledge and get the high score?