Dimensions
192 x 209 x 3mm
Simple Technology.
Illustrated by Mike Gordon.
How can a small weight lift a heavy weight? Which parts of your body are levers? How does a lever make moving something easier? Full of simple experiments, this lively and informative book helps you to find out the answers, and the pictures give you lots of laughs along the way!
Each book in the 'Simple Science & Technology' series contains notes for parents and teachers.