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snow

Snow Facts
Image: iStockphoto.com/SteveByland

Snow Facts

To some it means sledding, snowmen, and holidays. To others, shoveling and warm boots. But to scientists, snow is an opportunity!

Explore how snowflakes are categorized. Find out how snow crystals form high in the atmosphere and if it ever gets too cold snow. And discover why NASA is surveilling snow from space.

Science Channel
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The Snowflake Man

The Snowflake Man

In 1885, before digital cameras or even electricity, William Bentley devoted his life to illustrating the beauty and intricacy of snowflakes. Take a look at his work. More...

Video
Chuck Smith
Growing Snowflakes in a Bottle

Growing Snowflakes in a Bottle

Watch as Caltech physicist Ken Libbrecht — and author of The Secret Life of the Snowflake — uses dry ice to grow a snow crystal in an old plastic bottle. More...

Video
NPR/Science Friday
Building a Better Snowflake: An Interview with Kenneth Libbrecht

Building a Better Snowflake: An Interview with Kenneth Libbrecht

He may live in sunny California, but this Caltech professor studies ice and snow. Take a look at his work classifying snowflake types in order to understand the physics of ice crystals. More...

Profile
Cabinet Magazine
Explore Snow Science

Explore Snow Science

Houston doesn't get much snow, but that didn't stop the city's science museum from creating an exhibit. Find out why snow looks white, how flakes get their shape, and more. More...

Video
Houston Museum of Natural Science
Guide to Snowflakes

Guide to Snowflakes

Did you know there's an International Commission on Snow and Ice? Or that it decreed seven snowflake categories? Yep, the science of snowflakes is pretty rigorous! More...

Article
Caltech
How Does Atmospheric Temperature Affect the Water Content of Snow?

How Does Atmospheric Temperature Affect the Water Content of Snow?

Sometimes snow is light and powdery. Other times it's heavy and wet. Find out how atmospheric conditions affect snowfalls. More...

Activity
Science Buddies
PacSci-Doku: Winter Crystal

PacSci-Doku: Winter Crystal

Use the available letters to solve this Sudoku-like puzzle and answer the question, "What is the crystalline form of a common substance?" More...

Game
Pacific Science Center
Snowflake Safari

Snowflake Safari

If you live somewhere cold, you might be able to see bullet rosettes, stellar plates, and capped columns in your backyard. Go on a snowflake hunt! More...

Video
NPR/Science Friday
Snowflakes, Starflakes, and Swirlflakes

Snowflakes, Starflakes, and Swirlflakes

Snowflakes are all about six-fold symmetry. Investigate the natural geometry of snow by making your own paper snowflakes. More...

Activity
Vi Hart
Studying the Science of Falling Snow

Studying the Science of Falling Snow

When you think of snow, you probably don't think of NASA. Yet, its scientists put sensors into space specifically to investigate the science of falling snow. More...

Video
NASA
The Science of Snow Crystals

The Science of Snow Crystals

Do you know the difference between a snow crystal and a snowflake? Or how many water droplets it takes to make a single snowflake? Discover the answers while browsing this gallery. More...

Images
PBS NewsHour

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