Forces and Movement
Riley, Peter.
Forces and Movement - Mankato, MN Smart Apple Media 2006 - 32p.: col. photos
Describes weight, gravity, friction, and upthrust and how these forces combine to make ships float and planes fly. It also introduces revolutionary thinkers, from Archimedes to Newton, who have helped us make sense of forces.
1-58340-712-X Spring 2006 Smart Apple $18.95
Forces and Movement - Mankato, MN Smart Apple Media 2006 - 32p.: col. photos
Describes weight, gravity, friction, and upthrust and how these forces combine to make ships float and planes fly. It also introduces revolutionary thinkers, from Archimedes to Newton, who have helped us make sense of forces.
1-58340-712-X Spring 2006 Smart Apple $18.95