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Examines the diverse sources and uses of world energy with a focus on energy's role in the environment.

Explains what energy is, looks at different forms of energy and how they change, describes stored and heat energy, discusses the sources of energy, and includes related activities.

Presents an explanation of energy transfers which occur when energy changes from one type to another; looks at the concept of energy storage, discussing elastic, gravitational, chemical, electric, sound, and nuclear energy; and examines attempts to avoid energy loss.

Presents an introduction to the scientific concept of energy, covering the history of its study, important concepts related to energy, and the different types of energy that exist.

Introduces the concept of energy from heat, motion, and fuels.

Full-color photographs and text explore energy; covering temperature, food, nuclear and solar power, fossil fuels, propulsion, and other related topics.

Questions and answers explore the definition, causes, effects, and uses of energy.

Discusses various aspects of energy, including power, kinetic energy, potential energy, photosynthesis, food chains, water power, wind power, chemical energy, atomic energy, heat, and solar energy.

Describes the sources and uses of various kinds of energy and the need for energy conservation.

This book traces the progress of technology used to create energy to run machines from ancient watermills and windmills to today's biofuels, solar cells, and other renewable resources.

This book explains the principles of inventing and provides photo-illustrated instructions for making a variety of projects that harness energy.

An introduction to the location and uses of various types of fuel and sources of energy.

Explains the difference between potential and kinetic energy, and uses a variety of examples to show how energy transfers between the two states.

Provides information about energy, how it works, where it comes from, and the different forms it takes, and offers tips on conserving energy.