I could spin on this disk because there was ball bearings underneath it. Without them you couldn’t move so easily because of the friction. By Hannah d
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Moorfield Primary School 
When you were spinning did you get a bit dizzy and did you move when the balls wern’t in there? How did you find out about the friction thing? My favourite thing was the one where you can fly the plane by yourself!
it was really fun at Cosford. i had the best time!!!