This comprehensive study guide covers the main terms and concepts needed for an earth science unit on energy resources. Review questions are included at the bottom of the study guide.

Gross. What is that in the toilet? But maybe it's not just gross. Did you know there are bacteria that digest organic waste and create electrons? What if there was a way to collect those electrons to power a circuit? In this science fair...

Electricity is the flow of electrical power or charge. It is a secondary energy source which means that we get it from the conversion of other sources of energy, like coal, natural gas, oil, nuclear power and other natural sources, which...

[Free Registration/Login may be required to access all resource tools.] This study guide summarizes key points about the important role of net energy in obtaining energy resources. Includes a few questions to check for understanding.

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...

[Free Registration/Login may be required to access all resource tools.] Summarizes the key points about renewable and nonrenewable resources. Includes a few questions to check for understanding.

Learn how some renewable resources contribute to alternative energy sources.

The official website for Union of Concerned Scientists provides information on environmental issues and suggestions on actions people can take to curb environmental harm.

Kids learn by experimenting with science. Project on electricity with homemade batteries.

Review the main concepts of hydroelectric power with this review guide.

[Free Registration/Login may be required to access all resource tools.] This study guide summarizes key points about wind energy. Includes a few questions to check for understanding.