ExpeRiments for a rainy day.

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Homemade lava lamp

Oly and her daughter Viola build a home-made lava lamp and use a surprising property of citrus fruits to explore the science of floating and sinking.

Singing wine glasses

Marieke and her daughter Tilly make music with wine glasses and squash, and investigate how changing one variable can affect another.

Static magic

Sophie and her son Hector explore the magical world of static electricity by making charged objects move without touching them.

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Balloon car racers

Mark and his girls Sasha and Lara build and race their own balloon powered cars.

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Spaghetti towers

Aoife and her children Lorenzo and Alice become engineers for the day, building structures out of spaghetti and marshmallows, and investigating the properties of materials.

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Musical coat hangers

Petra and her son Adam try out an amazing trick with a coat hanger and some string, and think about the science of sound.

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Balancing sculptures

Gail and her daughters make amazing balancing structures and explore the science of stability.

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Colour quest

Discover the hidden colours in ink.


Make an uncooked egg bounce!

ExpeRimental candles activity

Candle chemistry

Experiment with the chemistry of candles and make a flame jump through the air.

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Rufus and the racers

Comedian Rufus Hound and his son Alby make soap powered boats and learn how soap affects the way water molecules hold onto each other.

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Playing with play dough

Pasha, Rushana and their son Aaryan learn about mixtures, solutions and chemical reactions while making home-made play dough.

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Colour changing cabbage juice

Andy and his nephews make a beautiful colour changing liquid from cabbage juice, and explore the science of indicator solutions.

Fizzy cubes

Olympia and her daughter Viola make a self-inflating balloon and experiment to find out which household liquids react with bicarbonate of soda.

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Making butter

Catherine and the Lurgan Brownies Group make butter from cream.

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Cakes in a cup

Investigate the chemistry of cakes by making microwave mug cakes and seeing what happens when you leave out key ingredients from the recipe.