What is biogas and how is it made? After examining background information about the sources of biogas and biogas generators, class members follow the provided information and build a biogas generator that can be used in the...

Knowing the temperature coefficient allows for the calculation of voltage output at any temperature. Groups conduct an experiment to determine the effects of temperature on the power output of a solar panel. The teams alter the...

Discusses different ways to heat and cool a home, and perform a variety of tasks, using renewable energy sources. Examples include window shades, a solar water heater, solar-powered toys, etc.

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.

Explains what landfill gas is, some of its applications, and how Texas is harnessing it as a source of renewable energy.

Sources of biomass fuel are described, ways it is used, and the economic opportunities available to Texas farmers and industries that produce biomass fuels.

A basic guide for ways to be more energy-efficient and to use more renewable energy sources in a building. These include methods of reducing heat or cool air loss, ways of harnessing solar energy, and using the wind for ventilation.

The advantages of using renewable energy sources, such as the sun and the wind, are explained.

Discusses the overall picture of biomass use as a source of renewable energy in the United States. Five methods of generating electricity from biomass are described.

Discusses the state of renewable energy production in Texas, which opened the market to competition, set minimum standards for the production of renewable energy, and established a system of Renewable Energy Credits. These factors...