Here goes another student designed experiment! The kids had got to talking with Elizabeth during her visit to Talbert, and they came up with the question of how cold would it have to be to get a bubble to freeze? No one was really sure but we talked about it and all of the students made their guesses. Megan S. in my homeroom even brought in some bubbles for the experiment. She gave me some outdoor colored bubbles so it would be easier to see them. Thank you Megan!
Mr. Wood is ready for the Freezing Bubbles experiment. Our first trial is at -18 F.
Tommy was watching the experiment with his morning snack.
We actually did this experiment a week ago when the morning outside temperatures were well below freezing. It’s a good thing too because shortly after that the weather has taken a turn for the warmer side of things. For the last several days it’s been much too warm to test the bubbles.
Mr. Wood is blowing bubbles for science at -18 F!
When we conducted the experiment last week the temperature outside was -18 F. It felt pretty cold! So we went out on to the back porch in the clam air and started blowing bubbles. At first everything seemed to be normal and the bubbles were just drifting away like they always do. We even tested some of the ones that had landed on the snow around the porch, and they just popped when you touched them. But after about 3 to 5 minutes we noticed that some of the bubbles sitting on the snow were still there, which is a long time for a bubble to last just sitting on the ground. So we touched them with our gloves and they were like really thin eggshells. They began to crack and fold as if they were broken. When we picked some up they felt like really thin cellophane paper. You could almost hear them crunch as we poked them and watched them fold up.
We have frozen bubbles on the snow!
In conclusion, we would have to say that at -18 F bubbles will freeze after a few minutes. We never really caught one in the air that seemed frozen. I wonder how cold it would have to be for the bubbles to freeze as soon as you made them? We may have to wait until next year for the answer to that.
Watch the video of the experiment!
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