Experiments (with tag Water - show all) 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 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 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 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 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 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!