So far, most of the country has experienced quite a winter. Meteorological terms like "polar vortex" have been the topic of conversation (Go, Al Roker!), and another big snowstorm is hitting the East Coast. Temperatures have been dropping here in Knoxville all day, and earlier in the day I got stuck in a downpour consisting of what appeared to be tiny snowballs (no flakes!) that stuck to everything (including hair) and took their own sweet time to melt. With that experience fresh on my mind, I headed to my bookshelf to pull out some "snow" books--to see how those crystals might have formed (I think they might have been classified as "lump graupel" according to Magono & Lee's snow crystal classification system). And while I was at it, I grabbed a few others that might be appropriate for the coming chilly week.
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| "Snowflake" Bentley and his camera. |

Finally, I was really excited when I ran across this book cross-listed on Amazon, since it seems to be written for a similar elementary crowd by a current "Snowflake Bentley" type! The Secret Life of a Snowflake: An Up-Close Look at the Art and Science of Snowflakes, is full of photos and explanations at just the right level for elementary students. It is written by Dr. Kenneth Libbrecht, a physicist and professor at CalTech. (He grew up in North Dakota, so he knows his snow!), who has his own website full of great teaching resources. This book will be most appreciated by upper elementary (and middle school) students, but the photos (like the one below, comparing snowflake sizes to a penny) look engaging for all ages! This is one I'm going to order so that in the future, it sits side-by-side with the others on my shelf!




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