The purpose of this resource is to observe plant green-down and report greendown data to help validate estimates of the end of the plant growing season. Students monitor the change in color of selected leaves of trees, shrubs or grasses.
Intended for grade levels:
Type of resource:
Adobe Acrobat reader
Cost / Copyright:
For science/educational use consistent with the methodologies of the GLOBE Program.
DLESE Catalog ID: GLOBE-249
Resource contact / Creator / Publisher:
Author: University Corporation for Atmospheric Research (UCAR)
The GLOBE Program