Energy Basics
Learn about the definition of energy, the forms that it comes in, and the difference between renewable and nonrenewable sources.
Forms of Energy
Energy forms are either potential or kinetic. Potential energy comes in forms that are stored and include chemical, gravitational, mechanical, and nuclear. Kinetic energy is energy in movement and includes electrical energy, heat, light, and sound.
Energy Units Basics
How do we compare different types of fuels? One practical way is to convert the physical units of fuels, such as weight or volume, into British thermal units or “Btu.” A Btu is a precise measure of the heat content of fuels.
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