Students discover the different alternative fuel sources. In this biology lesson, students identify the different stages of the carbon cycle. They explain the pros and cons of using alternative energy.

Learners research about the processing of biodiesel fuels. In this energy activity, students produce their own biodiesel using used and new vegetable oil. They discuss the environmental and economic benefits of using biodiesel.

Are the earth's oceans really just giant batteries, waiting for their energy to be harnessed? Middle school mechanical engineers will be shocked by the amazing amount of energy that forms around them after diving into part four of a...

Students examine the efficiency of each alternative energy source as well as what limitations exist in terms of extracting the usable energy. They determine which energy source is most effective to the economy and the environment in the...