'Harmful byproducts' presentation slideshows

Water Pollution

Water Pollution. Key Concepts. Types, sources, and effects of water pollutants. Major pollution problems of surface water. Major pollution problems of groundwater. Reduction and prevention of water pollution. Drinking water quality. Types, Effects and Sources of Water Pollution.

563 views • 37 slides

Fossil Fuels

176 views • 7 slides

Photovoltaic Cells

Photovoltaic Cells. By. Tyler Costello & Kyle Yurkewitz. How does it work?. http://science.nasa.gov/headlines/y2002/solarcells.htm. Photovoltaic cells use sunlight to knock electrons off to create an electric current. They produce a Direct current flow of electricity.

255 views • 6 slides