Students identify the three realms of the Arctic Ocean, and describe the relationships between these realms. They describe different species associations in a benthic community.

Students identify the three realms of the Arctic Ocean, and describe the relationships among these realms. They explain the relationships between gross primary productivity, net primary productivity, and respiration.

Learners identify organisms within the realms of pelagic, benthic and sea ice. They explain how these three interact with each other.

Ninth graders conduct an experiment to determine how melting sea ice affect sea level. For this earth science lesson, 9th graders explain the environmental consequences of rising sea level. They relate this lesson to global warming.