3-0Objectives & Sequence
3-1Unit 3 Project
3-2Quiz
3-1Saving Energy
3-2All About Fossil Fuels
3-3The Nuclear Debate
3-1Renewable Energy
3-2Wind Power
3-3Solar Power
3-4Hydropower
3-5Eco Transportation
3-6Ecocities
3-1The Passive Voice
3-2Using the Passive Voice
3-3Count and Noncount Words
3-4Noun Modifiers
3-5Compounds
3-6Prepositional Phrases
3-1Masdar City
3-2William Kamkwamba's Windmill
3-3World Solar Challenge
3-4Free Energy?
3-1Different Alternate Energies
3-2Why We Need Alternate Energy
3-3Pollution and Energy Sources
3-4Green Technologies
3-5Cleaning Up Our Mess
3-6Ways You Can Save Energy
3-1Alternative Energy Report
3-2The Greenest Car Ever
3-3My Green Life
description Exercise
Watch this video from the TV show Mythbusters, where Adam and Jamie explore the idea of free energy.
Please open the exercise to continue.
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