By Greg Young
During this attractive biography, youngsters will examine the interesting lifestyles, theories, and discoveries of Alfred Wegener. From his time in Greenland learning meteorology with scorching balloons to his thought of Pangea, readers should be wanting to study extra approximately Wegener's contributions to technology and the strides he took in the direction of constructing the learn of plate tectonics. The easy-to-read textual content, available thesaurus, necessary index, and exciting evidence paintings together with the energetic pictures and eye-catching lab task to have interaction readers from commencing to end!
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Rachelle Cracchiolo began the corporate with a pal and fellow instructor. either have been desirous to proportion their principles and keenness for schooling with different lecture room leaders. What started as a pastime, promoting lesson plans to neighborhood shops, grew to become a part-time activity after an entire day of educating, and at last blossomed into instructor Created fabrics. the tale endured in 2004 with the release of Shell schooling and the creation assets and lecture room program books designed to help instructor Created fabrics curriculum assets. at the present time, instructor Created fabrics and Shell schooling are of the main famous names in academic publishing around the globe.
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Ethanol industry with raw biomass. Fuel for Thought Ethanol factories add enzymes to giant tanks of Some experts are concerned corn. The enzymes help that farmers will not be convert corn sugars into able to grow enough corn to satisfy our need for both alcohol in a process called food and fuel. fermentation. The finished product, ethanol, is added to gasoline to make gasohol. Gasohol is a blend of 90 percent gasoline and 10 percent ethanol. S. Most car engines burn gasohol as easily as they burn gasoline.
42 43 CHAPTER SIXTEEN The Energy Puzzle Can we solve the energy puzzle before it’s too late? Bright minds and hard working people are trying to put the pieces together. Biofuels and other renewable energies seem to offer hope for an energy hungry world, but experts will first have to overcome many challenges. Someday soon, a motivated scientist will find the missing piece to the world’s energy puzzle. Maybe it will be you! S. Energy Information Administration Further Reading Solway, Andrew. Biofuels.
Biopower plants generate electricity by burning biomass. They work much like fossil fuel power plants. The biggest difference is the fuel. Biopower plants burn agricultural and forestry waste as well as scrap from industry. Most power plants burn fuel in giant furnaces. The furnaces boil water, which turns to steam. The steam spins a turbine. The turbine rotates a magnet around a coil of wire generating electricity. 42 43 CHAPTER SIXTEEN The Energy Puzzle Can we solve the energy puzzle before it’s too late?