Learn how humidity, dew point, wind, visibility, and air pressure affect the weather. Includes hands-on experiments, graphics, movies, and interactive sites. There are links to eThemes Resources on clouds and snowflakes.
Is it true that no two snowflakes are alike? These sites answer the question as well as discuss how multiple crystals combine to create snowflakes. Also learn why frost forms on the ground. Includes scientific experiments for growing snowflakes, instructions on making paper snowflakes, numerous photos from the man who first captured individual snowflakes on film, and animated movies showing a crystal being formed.