Step 3: Why?

Superabsorbent polymers is the cause of this. Superabsorbent polymers (SAP) (also called slush powder) are polymers that can absorb  extremely large amounts of a liquid to their own mass. They can also create snow using that method. But if there is too much water, it will become like a gel. 
Sodium polyacrylate, also known as waterlock, is a polymer with the chemical formula [-CH2-CH(COONa)-]n widely used in consumer products. It has the ability to absorb as much as 200 to 300 times its mass in water. Acrylate polymers generally are considered to have an anionic charge. While sodium neutralized polyacrylates are the most common form used in industry, there are also other salts available including potassium, lithium and ammonium.

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<p>cool but what if you don't have that type of money</p>
Wow! That's really, really cool!
thanks! now you can make your own snow!
<p>this is the best snow ever</p>
<p>That's make a snowman</p><p><a href="http://pansci.tw/archives/48095" rel="nofollow">http://pansci.tw/archives/48095</a></p>

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