Do you know why a 10-ton boat floats but a tiny pebble sinks? Or why a hot air balloon will rise, but when you inflate a balloon it drops to the ground? From Archimedes and Boyle to Pascal and Charles, discover the basic principles of fluid mechanics in a refreshing and fun way.
by Paul Fleisher, illustrated by Patricia A. Keeler
Living Book Press
0.24" H x 8.5" L x 5.5" W