January 19, 2019
Cold weather science

Ottawa is setting records for cold. "Yay! We can do cold weather science" say my winter-loving kids. I was proud.


So we blew bubbles and made snow. Elizabeth wanted to try throwing the kettle water and got hot water on her mittens and was unimpressed.


Matthew had some technical challenges with his bubble mix freezing before he could blow bubbles, but they did like seeing the frozen bubble bits in the air.


We tried to do a new experiment "magic balloon" to demonstrate how air in a balloon shrinks in the cold and expands in the heat, but clearly the air inside the balloon wasn't hot enough and/or the deep freeze outside wasn't cold enough because it basically didn't change size.


It was too cold to stay out terribly long, so after we did our science the kids came inside and built forts.

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