Experiments

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Lava Lamp

A blibby blobby lava lamp you can make in minutes!

Lava lamps have been around for years and are mesmerising to watch. In this experiment, using no heat source we make a crazy lava lamp of our own.

Coloured water flowing through kitchen towel between five glasses
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Walking Water

Colourful water goes for a stroll up out of one glass and into another in this incredible experiment!

Can coloured water really step out of a glass and into another? What forces could be at work in this experiment that let water defy gravity and common sense?

Amazed girl holding an inverted glass of coloured water
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Anti-Gravity Water

Make water defy gravity by staying in an upturned glass... Is it magic? It looks it!

Is it possible to make water "float" inside an upturned glass without pouring out? With science know-how it is!

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Chromatography Butterflies

Snazzy butterflies and the colourful chemistry of inks, brilliant!

Did you know that most inks are not made of one but many colours? In this experiment we blend art with science and make a batch of pretty flutterbies!

Two interlocking paper hearts within a paper square
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Möbius Valentine's Hearts

Make sweet interlocking paper hearts from Möbius strips!

Advanced activity. By cutting, gluing and cutting some more we're going to make a pair of pretty Valentine's interlocking hearts!

Girl with bottle of water
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Bottle Diver

Make a homemade diving toy dive and resurface just by the squeeze of a plastic bottle!

Bobbing along, bobbing along at the bottom of the beautiful briny... Bottle? In this experiment we learn about bouyancy and pressure with a Cartesian diver!

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Floating Compass

Make your own compass in minutes and always know which way is North!

Did you know that planet Earth has a magnetic field? Did you know that you can turn needles into magnets? With this know-how we'll make our own floating compass!

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Self-Inflating Balloons

Balloons that can blow themselves up!

With just a few household items you can save your breath with this experiment and make balloons inflate themselves!

Egg covered in tiny bubbles in a glass of liquid
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Shell-Less Balloon Egg

Is it an egg? Is it a balloon? Yes, it's an egg-balloon!

In this odd egg-speriment we're going to take an egg out of its shell without even cracking it!

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Simple Barometer

Predict the weather without even stepping outside!

Did you know you can tell what the weather will be without checking the forecast? In this experiment we make our own indoor weather-predicting device!

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Magnet Pickup Challenge

A timed game that's fun and easy to play!

There are many fun things you can do with magnets. In this fun game we try to move as many metal items into a goal before time runs out!

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Sun Prints

Beautiful art for a beautiful sunny day - just add sunlight!

Did you know that you can use bright light to turn a piece of paper into wonderful art you can keep? In this simple and arty experiment we use the power of the sun to make sun prints!

Baking soda being spooned into a bottle of blue foaming liquid
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Fizzing Witch's Brew

Sparkly multicoloured foam flows everywhere with fascinating frothy fun!

Did you know that by mixing the right things together you can make thousands of bubbles appear from seemingly nowhere? In this sparkly experiment we brew a pretend witch's potion!

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Pencil Sundial

Tell the time the old-fashioned way - without a watch or a clock!

Did you know that the Sun moves across the sky at the same speed every day? In this experiment we use this fact to make a sun-powered clock with no moving parts!

Sultanas being dropped into a tall glass of clear fizzy liquid
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Dancing Fruit

Ever seen fruit having a bit of a boogie? Grab some raisins and pop and watch it bop!

Who thought fruit and fizz could be so entertaining? This simple experiment is more exciting than it looks!

Saucer of water and black pepper having detergent dropped in
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Spicy Surface Tension

Pepper, water, washing up liquid. Easy!

Did you know that water has a skin? In this experiment we're going to put stuff on its skin, and then split the skin to see what happens! No, really!

Test tubes filled with different coloured liquids
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Homemade Universal Indicator

Colourfully detect the pH of stuff with red cabbage juice!

Different stuff around us (and in us!) tends to be acidic, neutral or basic. In this spectacular colour-changing experiment we test a few liquids for their pH.

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Hair-Raising Electric Balloon

Make a balloon electrically-sticky using nothing but your hair!

Electricity is everywhere - in this experiment we give a balloon a static charge and attract objects with it!