The United States consumes more oil than any other country, about 1.85 billion barrels (or 77 billion gallons) a day. Viewers learn about the history of fossil fuel exploration and how they are formed in an informative presentation. They...

The surge in human population in the last 2,000 years, due in large part to better health care, has brought a surge in the demand for resources and in pollution. The graphics, photographs, and real-life examples in a thought-provoking...

Focusing on what electricity is and where it comes from, the information here is accessible to young scientists.  The basics of how electricity is made and its uses as a power supply are given with clear illustrations. Some examples...

The PowerPoint opens with video footage of the decomposition of nitrogen triiodide and then explains it with diagrams. Graphs of exothermic and endothermic reactions are exhibited, as well as one for the effect of a catalyst on reaction...