GLOBE: Cloud Protocols
http://gpdi.globe.gov/advance/cloud/GLOBE-Clouds24_content.html

GLOBE


This 16-page learning activity from GLOBE enables students of all ages to learn how to make estimates from observations and how to categorize specific clouds following general descriptions for the categories. The site also includes a field guide, background information, a teaching guide, frequently asked questions with answers, and questions for further discussion.

This resource is referenced here:
Subject: Geoscience:Atmospheric Science, Atmospheric Science:Climatology
Resource Type: Activities
Grade Level: High School (9-12), Intermediate (3-5), Middle (6-8)
Topics: Climate, Atmosphere