Neighborhood Nature

Our Family's Nature Blog

Hurrah! The Ice and Snow Are Back! February 20, 2009

Filed under: Geology,Seasons,Water,Winter — saltthesandbox @ 9:07 am
Tags: , , , ,

We’ve been so immersed in searching for signs of spring that we almost forgot how wonderful winter can be. Then, on our second morning of low teen temperatures, we woke up to this:

Here's what our front-porch jar of water looked like after the second night of temperatures in the low teens.

Here's what our front-porch jar of water looked like after the second night of temperatures in the low teens.

Water is such interesting stuff, and it may be most interesting in early spring, when temperatures fluctuate around the freezing point.That’s why we leave containers of water sitting around outside, like the plastic jar of water on our front porch.

In this case, I think the streaky things are bubbles formed as dissolved air was forced out of the freezing water. The water froze from the outside in, pushing the ever-growing bubbles along as freezing proceeded inwards. There’s even a core of unfrozen water in the center, with air bubblettes accumulating into one big bubble at the top.

With predictions of 4 to 8 inches of snow falling from tonight through Saturday, I’ll have more than enough excuse to post more stories about exploring ice and snow. Maybe we’ll get back to spring late next week.

 

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