Curated OER
Gas Exchange And Respiratory Systems.
Explore structures within the realm of gas exchange in terrestrial and aquatic life. The excellent, labelled diagrams and clear descriptions help your students view the different structures and adaptations that have developed. The 29...
Curated OER
Climate Change: Carbon Cycle
Students explore the carbon cycle. In this carbon cycle lesson, students discuss the four main reservoirs where carbon is stored and then discover the process through which each reservoir absorbs and releases CO2. This lesson includes a...
Curated OER
Global Climate Change: The Effects of Global Warming
Students study the concepts of global warming and climate change as they relate to the levels of carbon dioxide in the atmosphere. They examine the changes in glacial ice in relation to global warming. They decide how human activities,...
Curated OER
The Breathtaking Nature of the Urban Explosion, Part 4
Students explore the respiratory system. They use a computer to monitor the respiratory rate of an individual. They determine residual oxygen levels in exhaled air. Students evaluate how internal 02 and C02 concentrations influence...