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.
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