mumoplinth
PlinthiPaul's Mum :)
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11
Does a tin can phone really work?
Paul should hold one tin can and a friend at the third plinth, the other (attached by taut string). Can they have a converstion? [Read more]
cans, communication, string
mumoplinth, August 10, 2009, 1:43 pm
8
How much water will evaporate in a hour of sunshine or collect if it rains?
Pour some water into a measuring jug at the start and see how much there is at the end. [Read more]
evaporation, jug, measure, rainfall, Water
mumoplinth, August 6, 2009, 7:26 pm
