Forces and MotionBook - 2005
Forces like gravity keep us firmly planted on the ground, while motion get us from place to place. Explore the fundamentals of forces and motion, from friction and gravity to wheels, gears, and levers.
Publisher: Langhorne, PA : Chelsea House Publishers, c2005
Branch Call Number: j 531 Parker
Characteristics: 32 p. : col. ill. ; 29 cm