Curated OER
Motion Lotion
Learners view a video to explain the meaning of friction. In a hands-on experiment using gelatin, students test the effects of lubrication on friction. They complete a worksheet imbedded in the lesson to describe their observations.
Curated OER
Things Are Heating Up!
Third graders study how heat is produced from mechanical and electrical machines and human activities.
Curated OER
CO2 and Air Pollution
Seventh graders observe and test for the presence of carbon dioxide gas. They compare concentrations of carbon dioxide gas and conclude high concentrations of carbon dioxide gas are unhealthy for human beings.