American Chemical Society
Joseph Priestley, Discoverer of Oxygen
Do you want to hear a joke about nitrogen and oxygen? NO. We all know there is oxygen in the air and that plants produce oxygen, but how was it discovered? Scholars read a handout, answer questions, and analyze material in the...
Curated OER
On the Shoulders of Giants
Learners select an astronomer or scientist from the past, research the role that they played in the development of the heliocentric revolution, and make presentations on their achievements.