Curated OER
Your Own Greenhouse
Young science learners construct a greenhouse out of a plastic bottle. They use a nail to punch a hole through which a thermometer will be inserted to monitor the temperature. This simple experiment easily demonstrates the greenhouse...
Curated OER
Air Pollution and Health
Middle schoolers 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.