Fabulous Fossils

It is recommended that you conduct this fabulous experiment as a whole-class demonstration. Collect air samples from the environment, human exhalation, and car exhaust, then compare them for carbon dioxide content using bromthymol blue...

Meteorologists view an animated video by the Environmental Protection Agency to learn how the carbon cycle works, and then move into groups to analyze and graph actual data of the atmospheric carbon dioxide concentration from Hawaii's...

Seventh graders investigate fossils and how they are formed through viewing photographs of actual fossils on the World Wide Web; students create spreadsheets to display collected data, and create their own fossils.