Head outside for a cool science experiment. When it’s below zero, take your bubble solution outdoors and give it a few minutes to cool. Then blow a bubble, and catch it on the wand. Wait a couple of minutes for it to slowly harden into a ball. It’s equally fun to make it shatter!
A version of this article appeared in our December 2015 issue with the headline, "How to make ice bubbles," p. 38.