Looks at how advances in science and technology have affected energy sources, providing information as well as pro and cons about a variety of related topics, such as nuclear energy, biofuels, and solar power from space.
Photographs and simple text written in both English and Spanish describe how energy is used at construction sites including how it moves machines, how workers use various tools, and the energy it takes to make trucks go.
Describes different forms of energy, including kinetic, potential, and chemical energy, and explains where the types of energy used by nature, one's body, and machines come from, discussing the importance of conserving fossil fuels.
Examines the inadequacy of America's supply of energy resources, the political and economic ratifications of a growing dependency on foreign countries for energy, and the problem of developing new sources of energy while protecting the environment.
