Why Are No Two Snowflakes Alike?

Monday, October 10, 2016
We've all heard that there are no two snowflakes alike.  
But have you ever wondered why?
I wanted to make a snowflake drawing page, and this seemed like the perfect opportunity to do some investigating about snowflakes!  I learned that there is a lot of science and make that goes into making those beautiful snowflakes. 

The shapes formed when water freezes come from the structure of the molecules.  

If the humidity is high enough and the temperature isn't too cold, 
molecules start to build up on the corners.

As the frozen snow crystals fall, they stick together and make snowflakes.  
The snow crystals pass through different humidity and temperature levels in the atmosphere as they fall.  

Each snow crystal takes a slightly different path.  Each path yields a different combination of shapes they are formed on the arms of the snow crystal. 

If you would like more information to present to your students about how the design of snowflakes is formed by the atmospheric conditions, I've made a presentation that is included in my Snowflake Drawing Lesson.  

In this lesson, there are also some instructions for how to draw a snowflake.  Students will use some math to measure the angle of the snowflake arms. 

Once they've drawn the arms, they can add shapes on each arm using radial symmetry.  

If you think your students would love learning about this information keep reading.  My Snowflake Drawing Lesson includes the information on this blog post and much more. 

You will get a PDF presentation to show your students about why no two snowflakes are alike, A PDF technique demonstration, drawing handouts for students, word wall words, and assessments all in my 


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