Curated OER
Oxygen: What a Gas!
Eighth graders explain how oxygen reacts to other elements. They also explain why oxygen is a reactive substance, how it has weight, and how it reacts with other substances. They construct an experiment to relate their findings.
Curated OER
Plant Life
Seventh graders examine different categories of plant life and their roles as producers of food and oxygen for other organisms. They study the evolution of plants from simple organisms to very complex ones. They look at the different...
Curated OER
Making Blood
Fifth graders review what they have already gathered about human blood. After reviewing the components of blood, they work together to make their own. Using the internet, they complete a blood web hunt and share their discoveries with...
Curated OER
Science: Breathing in Space
Students determine the amount of air they use during rest and activity. They conduct experiments to calculate the number of breaths needed to empty a jug of water by exhaling through a tube into the container. Then, they figure how much...
Curated OER
Fish and Oxygen
Students explore what factors affect population dynamics, identify factors affecting fish populations, and use Stella to model how dissolved oxygen affects fish populations.
Curated OER
Plants and Oxygen: Breathing
Second graders gain an understanding of how plants produce oxygen and that the oxygen we breathe comes from trees and plants. After a lecture/demo, 2nd graders discuss the ways plants produce oxygen and the detrimental effects of cutting...