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Preschool science show. Explorers Alfie, Christy and Lilyanne discover that some rocks are different colours because they have minerals in them.

Nina investigates why some rocks are stripy - with the help of Luke, her sight neuron.

Explorers Alfie, Christy and Lilyanne visit Nina in her workshop and discover that some rocks are different colours because they have something called minerals in them. Next they visit Alum Bay in the Isle of Wight and see big stripy rocks. Lastly they find out that the rocks were made in layers.

First shown: 4.30pm 11 Oct 2013 Available until Sun 9:45am

Duration 15 mins

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