Scholastic
Study Jams! Renewable Fuels
A single slide introduces each of the following renewable energy sources: hydroelectric, wind, geothermal, solar, tidal, and biomass. This provides a succinct overview that you can use as a visual aid when you first introduce alternative...
Sophia Learning
Sophia: Energy: Machines, Motion and Light
An introductory lesson describing the definition of energy, and highlighting different sources of usable energy.