KS2-3
Make a model tornado from plastic drinks bottles, as described on the BBC website: www.bbc.co.ukcbbceurekatvlittle_tornadoinabottle.shtml
KS3-4
Look at video sequences and images of hurricanes on the NASA website: www.nasa.govvisionearthlookingatearthhurricane_2005.html
Compare the energy delivered by a hurricane with more comprehensible numbers, such as a typical wind turbine output.
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