An image of Earth.In this lesson students learn about our changing oceans, the global carbon cycle, and the role microorganisms play in the rise of atmospheric oxygen.

Video links: Global View 2009 CO2 Pumphandle.

A fun activity to go along with this lesson: Bloom in a Bottle.

Documents: 
File smile_carbon_cyclev3_ci_150ppi.pptx
Subject: 
Biology
Climate Change
Ecology
Marine
Grade Level Range: 
Elementary (4-5)
Middle School (6-8)
High School (9-12)