Interactive
NASA

Sci Jinks: Grow Snow Crystals

For Students 3rd - 8th
Discover how snowflakes are created. Use this interactive to recognize the role temperature plays in the formation of snow crystals.
Website
NASA

Sci Jinks: How Do Snowflakes Form?

For Students 3rd - 8th
Is it true that no two snowflakes are alike? Take a look at the details that make up a snowflake to find out if the statement holds any truth.
Lesson Plan
University Corporation for Atmospheric Research

Ucar: Catching Snowflakes

For Teachers K - 1st
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?
PPT
Scientific American

Scientific American Slideshow: No Two Alike: Snowflake Photography

For Students Pre-K - 1st
See a variety of beautiful snowflake images demonstrating how each one is different in this slideshow from Scientific American.
Lesson Plan
Science Education Resource Center at Carleton College

Serc: Making Your Own Snowflake in a Jar

For Teachers K - 1st
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.
Interactive
University of Wisconsin

The Why Files: The Curious Growth of a Snow Crystal

For Students 4th - 9th
Explore how snowflake crystal shapes depend on the temperature of the cloud.
Unit Plan
TED Talks

Ted: Ted Ed: The Science of Snowflakes

For Students 9th - 10th
One could say that snowflakes are simply frozen water - but if you compare a snowflake to an ice cube, you'll notice a big difference. Why are all snowflakes six-sided? Why are none of them exactly the same? And how do we ski on them?...
Handout
University Corporation for Atmospheric Research

Ucar: Snowflakes

For Students 2nd - 8th
Learn about snowflakes and how they are formed.
Activity
Science Fun for Everyone

Science Fun: Snowflakes

For Students 3rd - 5th
Make your own snowflake with this science experiment!
Graphic
California Institute of Technology

Guide to Snowflakes

For Students 3rd - 8th
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.
Website
California Institute of Technology

Things You Always Wanted to Know About Snow Crystals

For Students 9th - 10th
Have you ever wondered if it's true that no two snowflakes are ever the same or why snow is white? Find out the answers to these questions and others here!
Activity
California Institute of Technology

Growing Your Own Snow Crystals

For Students 3rd - 8th
No two snowflakes are the same! Find out if that statement is true by "growing" your own snow flakes and comparing them. You need a coke bottle, dry ice and a Styrofoam cup.
Handout
Michigan State University

Michigan State University: How Do Snowflakes Form?

For Students 9th - 10th
This page explains how snowflakes are formed. Find out if all snowflakes are really different.
Article
National Snow and Ice Data Center

Nsidc: All About Snow

For Students 9th - 10th
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.
Graphic
Curated OER

Highly Magnified View of a Ice Crystal (Snowflake)

For Students 3rd - 8th
Using household items, one can demonstrate "the forces of pressure and how it can affect other objects."
Graphic
Curated OER

Snowflake.jpg (7150 Bytes)

For Students 9th - 10th
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...