Energy has gone green and the future holds exciting potential for alternative power sources that are both earth-friendly and renewable. This set features 34 x 5 1/2 (86.4 x 14 cm) banner and a 17 x 22 (43.2 x 55.9 cm) poster that summarizes alternative energy forms including wind wave geothermal solar and biomass/biofuel power sources. Five additional posters provide expanded details about each form of alternative energy. Includes a two-page teacher guide. 8 pieces. Not all pieces shown- SKU: LEARN0879