Curated OER
Dissecting Crickets
Learners dissect a cricket and note the three body regions, wings, and legs. They observe the yellow malphigian tubes and remove them. They dissect the esophagus and analyze the heart for respiratory rates and heart beat rates.
Curated OER
Dissolved Oxygen
Students discuss the relationships between dissolved oxygen in a stream, stream temperature, organic waste loads, and stream conditions by studying and using a model of dissolved oxygen in the stream.
Serendip
Homeostasis and Negative Feedback – Concepts and Breathing Experiments
More asthma attacks happen at higher altitudes, but why? Scholars complete worksheets, learning about homeostasis and feedback related to breathing. Then, they work in small groups to experiment with breathing in limited amounts of...
Nuffield Foundation
No Stomach for It: Investigating Antacid Medication
You won't get a stomachache doing an investigative experiment. Pupils simulate the effect of antacids on stomach acid. Obviously, they won't be using real stomach acid; diluted hydrochloric acid serves this purpose.
Curated OER
The Magnificent Breathing Machine
Students discover their magnificent breathing machine. In this science lesson plan, students learn the functions of the lungs in our bodies and become aware that in breathing an exchange of gases takes place in the lungs.
Curated OER
Alcohol and Pregnancy Don't Mix!
Seventh graders learn about John Kellerman, a youngster who was born with Fetal Alcohol Syndrome. They learn how alcohol and pregnancy doesn't mix.
Curated OER
Smog City - Part I
Students apply an interactive smog visualization application, Smog City to see how ozone levels are related to population levels and emissions. They study associated vocabulary and complete a worksheet.