NASA
Sci Jinks: Grow Snow Crystals
Discover how snowflakes are created. Use this interactive to recognize the role temperature plays in the formation of snow crystals.
University Corporation for Atmospheric Research
Ucar: Catching Snowflakes
Are you in a place where snow falls in winter? If so, try catching snowflakes. Then take a close look. Can you find two snowflakes that look alike?
Scientific American
Scientific American Slideshow: No Two Alike: Snowflake Photography
See a variety of beautiful snowflake images demonstrating how each one is different in this slideshow from Scientific American.
Science Education Resource Center at Carleton College
Serc: Making Your Own Snowflake in a Jar
In this activity, students will learn about supersaturated solutions. They will observe the beginning formation of crystals as the solution cools and by the next day, the students will see the formation of a snowflake made by the crystals.
California Institute of Technology
Guide to Snowflakes
No two snowflakes are the same, but they may have the same form. Learn about the basic forms of snowflakes as well as how some scientists classify them. Explore the site to find out other information as well.
National Snow and Ice Data Center
Nsidc: All About Snow
A beautiful snow scene awaits you at this site as well as cold facts about snow, Q & As, a snow glossary to inform you on such things as the difference between a blizzard and a squall, and information on avalanches and blizzards.
Curated OER
Highly Magnified View of a Ice Crystal (Snowflake)
Using household items, one can demonstrate "the forces of pressure and how it can affect other objects."
Curated OER
Snowflake.jpg (7150 Bytes)
This site from the California Institute of Technology contains information on the study of snow crystals. There are numerous links on the left side of the page. Some of the topics are photo collections, preserving snow and the physics of...