Curated OER
Systems of the Body
Third graders gather information by questioning, forming hypothesis, collecting and analyzing data, reaching conclusions and evaluating results, and communicating procedures and findings to others. Then they demonstrate an understanding...
Curated OER
The Science of Respiration and Blood Circulation
Fifth graders study how respiration and circulation are connected. In this respiratory lesson students complete several activities to better understand heart rate and carbon dioxide in the body.