The U.S. Department of Energy provides links pertaining to solar energy. Understand the current technologies and issues with this resource.

Article explains what is meant by renewable and nonrenewable sources of energy.

You might know that we are able to get free energy from the Sun, the wind, and water, but we can also get free energy from Earth itself. This source of energy is called geothermal energy and it is all about taking advantage of the heat...

A comprehensive activity where learners examine the different costs and benefits associated with renewable and nonrenewable sources of electricity. Includes a 22-question interactive module where they look at real-world data and images...

By the end of this section, you will be able to describe the distinction between renewable and nonrenewable energy sources and to explain why the inevitable conversion of energy to less useful forms makes it necessary to conserve energy...

The Alternative Fuels and Advanced Vehicles Data Center Program offers valuable information regarding the use of alternative fuels in the United States. This center is sponsored by the U.S. Department of Energy's Clean City action....

Learn about the many sources of energy used around the world.

[Free Registration/Login Required] In this flipchart, students are introduced to the different sources of energy produced on earth. Students will learn the names of different energy sources, the mechanisms of how each works along with...

Several activities are included to teach and research the differences between renewable and non-renewable resources and various energy resources. Students work with a quantitative, but simple model of energy resources to show how rapidly...

Through nine lessons, students are introduced to a range of energy types--electrical, light, sound and thermal-as well as the renewable energy sources of wind, hydro (water) and solar power. Subjects range from understanding that the...

Texas has the potential for becoming a leading provider of biomass energy due to its agricultural industry. Some crops produced in Texas, such as canola, switchgrass, sorghum, and sugarcane, have been identified as energy crops that...

A series of animated illustrations show how a polymer electrolyte membrane fuel cell works. PEM fuel cells are the most common type used in flex-fuel vehicles.

The U.S. has enough coal to last for the next 200-300 years. So why are we not using more of it? This article describes the different types or "ranks" of coal, the history, and the problems with burning coal for energy.

The pros and cons of harnessing energy from biomass are outlined. Biomass refers to biological materials that are used to produce energy. Wood and manure are examples of biomass.

The status of wind energy production in the United States is described, with the advantages and disadvantages of this alternative energy source.

Energy! What do you know about it? Use this terrific site to find out everything about it through a series of Q&As. Educators will find useful lesson plans at the related Teacher's site.

This comprehensive lesson teaches all about energy, including the different forms, the periodic table, history of human energy use and production, and energy units. It contains an interactive energy calculator, games and activities, and...

With an introduction to the ideas of energy, students discuss specific types of energy and the practical sources of energy. Hands-on activities help them identify types of energy in their surroundings and enhance their understanding of...

Find answers from the U.S. Department of Energy to your questions about biodiesel, its blends, and benefits. With additional information that explains how the fuel is made and distributed.

Discusses forms of renewable energy that rely on the sun. For example, wind is created when solar energy heats the air, and biomass is solar energy that has been stored in plants.

Browse and download from this multimedia collection which contains photographs, videos, B-roll, graphics, and animations related to solar technologies, research, and projects.

Have you ever dreamed of a world where you could take the scraps from last night's dinner and toss them into your car's fuel tank and make gas? Well, we're not quite in "Back to the Future" yet, but in this energy science fair project,...

Calculate the increased cost of heating homes and fueling cars since the energy crisis. Investigate alternative renewable and nonrenewable energy sources that can be used to decrease Americans' dependency on fossil fuels.

Find out about renewable energy resources using geothermal technologies as the source. Learn how scientists have discovered how to utilize sustainable heat from the Earth using several methods.