Discusses solar, wind, biofuel, hydro, and geothermal energy sources. Everyone is looking for ways to expand our sources of renewable energy-- but which system is best? What is "renewable" energy, and what are the pros and cons of each source? Sneideman and Twamley introduce you to solar, wind, biofuel, hydro, and geothermal energy. They also provide hands-on activities and links to online primary sources.

In Renewable Energy: Power the World with Sustainable Fuel, scientists ages 9 to 12 learn how switching from nonrenewable energy sources to renewable ones can help make our homes, businesses, cities, and world better, healthier places. What are those renewable resources? Solar, wind, hydropower, geothermal, and bioenergy! Hands-on projects, essential questions, links to online primary sources, and science-minded prompts to think more about energy,...