Society is beginning to recognize the limited supply of fossil fuels. In this project, students will investigate alternative energy sources. Conservation of resources is discussed and while conservation is an important step, at some...

This site, which is provided for by the Penn State University, gives twenty one chapters of charts, graphs, and information on synthetic fuels.

Try this five question comprehension check over ecosystems and the ecological relationships within them.

This site provides information on renewable energy, including biomass resources, geothermal resources, solar resources, and wind resources.

Students consider the impact and sustainability of use of different biofuels on the economy, the environment, and society. Students also learn about bioelectricity and how converting biomass to electricity may be the more efficient way...

Complete illustrated discussion of energy flow within ecosystems, including discussions of trophic levels, ecological pyramids, food chains and webs, biological magnification, and cycles.