Water Whirler

This “marvellous machine” is quick and easy to to make from two old plastic drinks bottles and some sellotape.

EXTRAS: Here’s great short video from the Met Office on how tornadoes form:

MORE GOOD STUFF: Click here for more activities. I’ll be publishing more videos of activities from my book over the coming weeks. Check back here, follow me on Twitter or subscribe to my YouTube channel to make sure you don’t miss them.

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