Curated OER
Radioactive Samples
Students examine the different types of radioactivity. In this radioactive samples lesson students complete a lab activity on radiation and complete a handout.
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
How Does Radon Get Into Your Home?
Students examine their home and calculates the amount of ventilation found. They also compute the surface area of different objects. They determine what is needed to reduce the amount of radon entering the home.
Curated OER
How Does Radon Get Into Your Home?
Middle schoolers complete an experiment in which they measure the radon level in their home. They examine the different types of units of measurement and practice using them throughout the activity. They calculate surface area on objects...