Surveys a variety of inventions, from compact discs and cellular telephones to better milk jugs, that help us live longer, learn better, be more productive, and enjoy our leisure time.
Presents an introduction to heat and chemical energy, explaining what heat energy is and where it comes from, and describing how heat energy relates to chemical energy. Includes an experiment.
Presents an introduction to natural sources of energy, explaining what life was like before the discovery of electricity and providing information on the use of nonrenewable fossil fuels such as coal and oil, global energy consumption, and other topics.
Explains how energy is transferred through conduction, convection, and radiation, illustrating these actions with an experiment and a look at a steam engine.
Explains how fission and fusion release energy, discusses nuclear energy's benefits and safety issues, and investigates nuclear chain reactions in a hands-on demonstration.
An introduction to kinetic molecular theory, explaining the relationships between temperature, pressure, volume, and molarity in gases, with hands-on demonstrations, and a visit to the Boyce-Thompson Institute in New York.
Explains that chemical reactions release or absorb energy, describes the factors that affect the rate of a reaction, presents a laboratory investigation of the rate of a chemiluminescent reaction, and more.