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The purpose of this activity is to construct a model that will provide students with a visual representation of parts per billion. Students work in teams to construct cubes of different volumes and to compare them to get a feel for parts per million by volume and parts per billion by volume. The intended outcome is that students gain a feeling for the small quantities of gases, such as ozone, present in the Earth's atmosphere.
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Intended for grade levels:
Type of resource:
Subject:
Technical requirements:
Adobe Acrobat reader
Netscape browser
Cost / Copyright:
No cost
For science/educational use consistent with the methodologies of the GLOBE Program.
DLESE Catalog ID:
GLOBE-27
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Educational standards:
Resource contact / Creator / Publisher:
Author:
UCAR (University Corporation for Atmospheric Research) The GLOBE Program http://www.globe.gov/ |