Educational Resources

What is the Critical Zone?

Illustration of the Critical Zone, showing a slice of Earth's near surface pulled out of the ground.  Labels are shown for air, biota, soil, water, and rock. Image credit: After Chorover et al, 2007. Catalina-Jemez CZO (artwork by R. Kindlimann).
Illustration of the Critical Zone, showing a slice of Earth's near surface pulled out of the ground. Labels are shown for air, biota, soil, water, and rock. Image credit: After Chorover et al, 2007. Catalina-Jemez CZO (artwork by R. Kindlimann).
A short web page that answers questions like: what is the Critical Zone? Why it is so important? Why does it need to be studied? The page includes text, images, and video.

Grades 9 - 14
All Disciplines
Information • Video


Educational Objectives

Be able to discuss where the Critical Zone fits on Earth's surface and its importance to Humans and all life. 

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Audience
K-12
General Public
Higher Education


Observatory: National CZO • Boulder CZO • Calhoun CZO • Catalina-Jemez CZO • Christina CZO • Eel CZO • IML CZO • Luquillo CZO • Reynolds CZO • Shale Hills CZO • Sierra CZO

Author(s): CZO National Office