Look for animal tracks in the snow
TRACKS. First picture, left to right: mouse, fox, skunk, human, squirrel. Second picture, left to right: bird, raccoon, domestic cat, deer, rabbit.
Learn About Snow Crystals (Snowflakes)
Watch a snow crystal grow in a lab, by time lapse:
https://vimeo.com/312985344. Watch this video on "Inside Science" about Snowflake photographer Wilson Bentley: https://www.youtube.com/watch?v=eso-1knRx2U |
A Japanese physicist, Ukichiro Nakaya, created the Snow Crystal Morphology Diagram in the 1930s. Other scientists built on his work.
Snow researchers grow snow crystals in a "cold lab" at different temperatures and humidity levels and observed the different forms. |
Sketches of tracks are copyright Lucille Gertz, from Let Nature Be the Teacher, published by Habitat Institute for the Environment. Used by permission of the author.