This lesson provides an introduction to the use of coal as an energy source. Topics include the history of coal usage, applications of coal as an energy source, and major suppliers of coal (the United States). There is...
This lesson provides an introduction to the use of natural gas as an energy source. Topics include its advantages (cleanliness, fewer carbon emissions), disadvantages (difficulty in transport and storage), sources, and...
This is the culminating activity in the series of lessons on renewable energy. It serves to reinforce the idea that renewable sources of energy are necessary for a sustainable future, and to discuss some of the present...
This lesson provides an introduction to the use of the sun's energy. Topics include the history of solar energy usage and its more recent adaptations. There is also discussion of how the sun produces and radiates energy...
This lesson introduces students to the basics of wastewater treatment. Topics include the variety of materials that enter the wastewater system, septic tanks, and municipal treatment systems. Students can review online...
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