P.5 Making a Tornado in a Bottle

This experiment was a great way to show students how tornados are formed and how the swirling action of water in a bottle creates a vortex. Students were amazed by the formation of a tornado in their bottles and they enjoyed the experiment about extreme weather science.

'Ahhh! A tornado in a bottle.' 'Amazing! Tornado in a bottle.' 'We fill the bottle with 3 parts of water and add food colouring.'
'We fix the empty bottle to the other bottle with Tornado Tube.' 'I fix the tornado tube to the empty bottle.' 'This tornado is so clear. It's beautiful!'
'We’re ready to turn the bottles.' 'We need to swirl the bottle with full force.' 'We have to make sure, it's tight enough.'
'We're ready to start our experiment.' 'Wow, there is a tornado.' 'Yeah, our experiment is successful.
慈雲山天主教小學 Tsz Wan Shan Catholic Primary School
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