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Do You Know - S01E03

Children . Documentary

Maddie looks at food and drink. She uses a special slow-motion camera to find out how bubbles get inside a bottle of fizzy water. Animation shows how gas is used to create the bubbles and then keep them 'hidden' until the bottle is opened. Next, Maddie visits a dairy to see how milk is collected from cows and taken to a factory in a tanker. She then sees how the factory turns the milk into yoghurt.

Episode Title: Fizzy Water and Yoghurt
Airs: 2016-09-07 at 16:30