Measuring Temperature Single activity for students to measure temperatures of all four seasons.

Snow Crystal Observations This site is full of actual photographs of single snowflakes.

Snow Crystals This site is all about snow crystals and snowflakes, and how these remarkably complex and beautiful structures appear, quite literally, out of thin air.

Snowflakes This site has background information on snowflakes and ice.

Melting and Freezing This Science NetLinks lesson to explore what happens to the amount of different substances as they change from a solid to a liquid or a liquid to solid is  a nice extension to the study of snow.

Ask Science Theatre How do snowflakes form? Find out here!

Thunder Snow Why is there sometimes thunder in a snowstorm? Find out in this Q&A from the New York Times Learning Network.

Types of Snow This reference article from Teacher Vision answers the question “Where does snow come from?” and examines the various types of snow crystals.

The Skinny On The Color of Snow Read all about it! Find out why not all snow is snow white and why snow can be such a colorful topic.

All About Snow All About Snow brings you, well, everything about snow.