When selecting alternative fuels, it is important to consider the relative advantages and disadvantages of each. This activity asks students to begin to consider the life cycle energy and carbon dioxide emission costs of gasoline, corn ethanol, and cellulosic ethanol. The various pieces help students trace energy and matter through a complex system and begin to critically analyze graphical...
The ability to explain the processes by which plants capture, store and use energy for growth and development is fundamental to understanding bioenergy. In this set of lessons, students investigate how plants harness and use different sources of energy during germination and growth. Students ask questions and make predictions about the sources of energy that plants use. They then plan and carry...