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Proof that science is really cool as Dr Yan demonstrates how to turn water into ice - with a single bang!

If shelling a raw egg isn't impressive enough, Liz then uses osmosis to turn it into a colourful bouncy ball.

Could it be magic? Not quite, but Dallas has some pretty magical science tricks up his sleeve to wow your friends.

Can you out-engineer Jem? He's on a mission to find the world's strongest pykrete, but maybe you can beat him to it.

Dr Yan uses canister rockets (see Fizz Bang) to demonstrate how scientific method is used to investigate the unknown.

The original pocket rocket. Find out how to fire canister rockets metres into the air, then challenge your friends.

Can you solve a crime by studying the ink in a note? Dr Yan uses a little forensic science to help catch a thief.

Forget frying and roasting, the best thing to do with spuds has to be firing! Make one potato go a long long way.

Can you fight fire with a fizzy drink? Dr Yan can with his home-made carbon dioxide fire extinguisher.

Turn pink into blue with a single drop - here's some colourful science to find out what's acidic in your kitchen.

Ever wanted to get a whole egg into a glass bottle? Well you will now, with Dr Yan's egg-cellent demonstration.

It's not big but it is clever. With a few ingredients and Dr Yan's buoyancy lesson, you'll soon be a sub driver.

One lump or two, it doesn't matter, as Dr Yan makes sugar glow in the dark - a phenomenon called triboluminescence.

A satisfying whoosh, a high speed lift-off and a good soaking if you're standing too close. What's not to like?

Here's how to safely set steel wool (also called wire wool) alight using nothing more than a 9V battery.

Grains versus gravity. Lift a bottle of rice using only a knife and a little of Dr Yan's science know-how.

Double glazed windows can save energy and lower heating costs, but does it make a big difference and how does it work?

What happens to something airtight when the air around it changes? Squish foamy stuff with a pressure bottle to find out.

Vodka and cranberry juice is a classic mixed drink. Here's a pub trick where they don't mix – they swap places.

Dr Yan shows you how to get much more bounce from a normal tennis ball. Dead simple, and dead impressive!

Light's fast, but just how fast? If you have a microwave oven you can work out the speed of light yourself.

Many people say that every plughole north of the Equator swirls the same way. Here's how to find out if they're right.

Use an ordinary toaster to turn a bin bag into a hot air balloon - how high will yours go? Adult supervision required.

Magnets aren't attracted to copper, but when they come together they seem to defy gravity. Weird science indeed!

Imagine a piece of string wrapped around the Earth's equator - that's about 40,000km. How much MORE string would you need for it to sit 15cm above the ground, all the way around?

Imagine a boat floating in a lake, and a heavy object such as an anchor (but without a chain) is dropped off the side. What happens to the water level of the lake?

Stand close to a vertical bathroom mirror and move back. What happens to your reflection?

If you bend dry spaghetti until it snaps, how many pieces does it break into?

Is a plane's round trip quicker with or without the wind?

Dr Yan tests out a mathematical equation that seems to prove that 2=1.

Can you fit a 50p coin through a 5p sized hole - without tearing the paper?

Can you cut a cake into eight slices with just three straight cuts?

Can you find the lightest of 27 beans with just three weighings?

How many times would you need to fold a piece of paper in half before you had a wedge tall enough to reach the Moon?