Explains how solar energy is generated and used, discusses solar panels and solar power towers, and considers the use of solar energy as a renewable resource.
Explores the science of rocks and fossils, discussing rock types and changes, how fossils form, and fossil dating methods, and looking at the work of paleontologists. Includes a glossary.
Explains the science behind how hybrid cars work, discussing gasoline and electric cars, taking a look inside a hybrid, and examining their benefits and drawbacks.
Examines the life of Thomas Edison, the American inventor credited with developing the first practical light bulb, discussing his early innovations, and noting his many accomplishments, which led to his receiving over one thousand patents.