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How to measure the strength of the Sun

A short video showing how to measure the strength of the Sun with a toilet roll.

Have a go

Slideshow on how to measure strength of sun.

Image gallerySkip image gallerySlide 1 of 8, Equipment for the experiment which is pen, paper, a ruler and a toilet role tube, WHAT YOU NEED: A large pad of paper, a pen, a ruler, a toilet roll tube and a sunny day. Don't forget your sunhat!
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How to measure solar energy on Earth

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Play the Atomic Labs game! game

Try out practical experiments in this KS3 science game.

Play the Atomic Labs game!
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