"Alternative energy." Britannica School. Encyclopædia Britannica, Inc., 2015. Web. 16 Sep. 2015. <http://school.eb.com/levels/elementary/article/ 476218>. Define renewable vs. non renewable energy sources View live Web page
Armentrout, David, and Patricia Armentrout. "Let's Explore Science: Solar Energy." Let's Explore Science: Solar Energy. Jan. 2009: n.pag. SIRS Discoverer. Web. 16 Sep. 2015. Look for advantages/disadvantages section View live Web page
Armentrout, David, and Patricia Armentrout. "Let's Explore Science: Wind Energy." Let's Explore Science: Wind Energy. 01 Jan. 2009: n.pag. SIRS Discoverer. Web. 16 Sep. 2015. Look for advantages/disadvantages section View live Web page
Armentrout, David, and Patricia Armentrout. "Let's Explore Science: Biofuels." Let's Explore Science: Biofuels. 01 Jan. 2009: n.pag.SIRS Discoverer. Web. 16 Sep. 2015. Look for the advantages/disadvantages section View live Web page
Belsie, Laurent. "Soybeans and Corn Power Their Way into Fuel Options." Christian Science Monitor. 05 Mar. 2001: n.p. SIRS Discoverer. Web. 16 Sep. 2015. High level article - use "listen to" feature View live Web page
"Biomass Video Collection." Discovery Education. N.p., n.d. Web. 15 Sept. 2015. <https://google.discoveryeducation.com/player/view/assetGuid/ 5669AC5C-B285-49CE-C504-937B0F63FE78>. View live Web page
Brain, Marshall. "How Stuff Works: How Concentrating Solar Collectors Work." How Stuff Works. 08 Apr. 2008: n.p. SIRS Discoverer.Web. 16 Sep. 2015. Middle level source View live Web page
Crane, Cody. "Bright Future." Science World 70.11 (2014): 8. Middle Search Plus. Web. 16 Sept. 2015. Middle-level overview. View live Web page
Fournier, Christine. "Harvesting The Wind." Jack & Jill 72.2 (2010): 24. Middle Search Plus. Web. 16 Sept. 2015. View live Web page
Griggs, Mary Beth. "Catching the Wind." SuperScience. Apr. 2015: 10+. SIRS Discoverer. Web. 16 Sep. 2015. Excellent diagram included View live Web page
Hall, Phoebe. "From Corn Waste To Bio-Fuel." E: The Environmental Magazine 16.1 (2005): 10. Middle Search Plus. Web. 16 Sept. 2015. High level article use "listen-to" feature View live Web page
"Hydropower." SIRS Digests. Fall 1996: n.p. SIRS Discoverer. Web. 16 Sep. 2015. High level article use "listen to " feature View live Web page
"Hydropower Video & Image Collection." Discovery Education. N.p., n.d. Web. 15 Sept. 2015. <https://google.discoveryeducation.com/player/view/assetGuid/ 58128B3A-0C9C-1FBF-57F2-A64B55E3DD58>. View live Web page
Langefeld, Maximilian. "A Source of Power." Dig into History. Feb. 2015: 34-37. SIRS Discoverer. Web. 16 Sep. 2015. High level article use the "listen to" feature View live Web page
Linde, Barbara M. "Alternative Energy." Salem Press Primary Encyclopedia (2015): Topic Overviews K-5. Web. 16 Sept. 2015. Great diagram in this encyclopedia article View live Web page
"Natural resource." Britannica School. Encyclopædia Britannica, Inc., 2015. Web. 16 Sep. 2015. <http://school.eb.com/levels/elementary/article/ 399553#252017>. Define renewable vs. nonrenewable View live Web page
Ramaley, Shirley Anne. "The Power Of Water." Boys' Quest 18.2 (2012): 6. Middle Search Plus. Web. 16 Sept. 2015. View live Web page
"Solar Energy Video Collection." Discovery Education. N.p., n.d. Web. 15 Sept. 2015. <https://google.discoveryeducation.com/player/view/assetGuid/ 54CE3702-9DC1-982D-C228-6714029656A2>. View live Web page
"This Bus Runs On WHAT?!." Scholastic News -- Edition 5/6 83.20 (2015): 3. Middle Search Plus. Web. 16 Sept. 2015. View live Web page
"Water Work." Try This. 05 Nov. 2013: n.p. SIRS Discoverer. Web. 16 Sep. 2015. A hydropower science experiment to try at home View live Web page
"Wind Energy Video & Image Collection." Discovery Education. N.p., n.d. Web. 15 Sept. 2015. <https://google.discoveryeducation.com/player/view/assetGuid/ 56321F25-04BE-4E32-826F-B1E76C86B834>. View live Web page