Curated OER
Air Pollution and Health
Learners use Internet research to become familiar with the environmental and health effects of the six criteria pollutants identified by the U.S. EPA, along with the greenhouse effect and carbon dioxide.
Curated OER
I Need Room to Breathe
Seventh graders explore how exercise affects carbon dioxide levels in exhaled air.
Curated OER
Mussel Your Way Through Photosynthesis
Students, using zebra mussels (Dreissena polymorpha), elodea and an indicator dye, observe and record the role of light in photosynthesis. They consider plant production of carbon dioxide and the use of live materials in biological...