Explores the relationship between work and energy, looks at the difference between potential and kinetic energy, examines forms of kinetic energy and NASA's dependence on solar energy, reviews the three laws of thermodynamics, and discusses different types of energy exchanges, the history of car design, and how cars convert potential energy into motion.

Originally produced as an episode of the television program Assignment Discovery in 2006. Includes curriculum unit segments and correlations to national standards.

Work of energy -- Energy around us -- Behavior and laws of energy -- Cars : energy in motion.