Maddie is preparing for bath time. She uses a special thermal imaging camera to find out how the hot water system in a house works and then visits a reservoir to see where the water comes from and how it is sent to our homes. Next, Maddie visits a toothpaste factory to see how toothpaste is made from different ingredients and uses a special slow motion camera to find out how the stripes get inside a tube of stripy toothpaste.
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Do You Know? - 1x09 Hot Water and Toothpaste
- Poor
- Nothing special
- Worth watching
- Pretty cool
- Awesome
- Aired Sep 15, 2016
- Episode 1x09
- Show special No
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- Zanaida is following Do You Know?. Jan 02, 2017
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Zanaida last seen May 16, 2019
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