Monday 20 May 2019

Icy Balloon Experiment

This afternoon we did a very cool science experiment with water. We looked at icy balloons (balloons filled with water and then frozen). We felt them and observed them, after we had cut the balloon off. We then added some salt to the ice and observed what happened to the ice. After that, we added some food colouring to the ice and observed what happened. Here are some photos.
The big questions we came up with were:
What did the salt do to the ice?
Why would people use salt on ice to make it less slippery?



























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