See information on energy resources, both nonrenewable and renewable.
What are the best energy sources? "Best" depends on many factors—how the energy is being used, where it is being used.
Ever wondered how an oil refinery works? Now you can learn more about the technology involved in refining crude oil into the thousands of petroleum-based products you use everyday.
Nonrenewable energy resources include coal, oil, natural gas, and uranium-235. Here are some of the key characteristics for these nonrenewable energy resources.
Energy resources are often characterized as renewable and nonrenewable. Here are key characteristics of renewable energy resources.
The short answer: it's the driving force of life. Every living organism does work, and needs energy from food or photosynthesis. Learn more about energy and the many forms that it can take.