Build a home-made lava lamp and use a surprising property of citrus fruits to explore the science of floating and sinking.

For more ideas, and to download an info sheet click here: https://www.facebook.com/Ri.ExpeRimental

Olympia Brown does science at home with her daughter investigating density.They discover that an orange sinks when it is peeled and try objects from around the home to see if they float or sink. In this fun children's activity, prediction, and asking questions, help to explore the science.

ExpeRimental, brought to you by the Royal Institution of Great Britain, is a series of free short films that make it fun, easy and cheap to do science at home with children aged 4 to 10. Our films give you lots of ideas for kids' activities that will help you explore the world around you, question and experiment together. We'll show you how to do the activity and how to make sure adults and children get the most out of it. Why not have a go and then tell us what you think on our Facebook page? https://www.facebook.com/Ri.ExpeRimental

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