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PPT
Glynn County School System

Milky Way Galaxy

For Students 6th - 12th
There is more about the Milky Way that scientists don't know than what they do know—that leaves a lot to discover! A thorough lesson presentation explores the components of the Milky Way Galaxy and their behaviors. 
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PPT
Science Geek

Earth's Atmosphere

For Teachers 9th - 12th Standards
Ozone gas absorbs the harmful UV-B rays and helps protect humans. An informative presentation begins with the layers of the earth's atmosphere, the pressure and temperature in each of the layers, the ozone layer, the ozone cycle, and the...