Experiments Continue 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. Continue 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? Continue 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! Continue 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! Continue 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! Continue 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! Continue 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! Continue 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! Continue 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! Continue 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! Continue 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! Continue 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! Continue 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! Continue 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. Continue 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! Continue 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! Continue 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! Continue 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!