Our teacher, Natalie had fun at the weekend with her children filling balloons with water and freezing them. It was such a hot day, that she brought two to school for us to experiment with.
We had a lot of fun, predicting what would happen when we poured on food colouring or salt. We also looked at whether we thought the ice would float or sink in a container of water. When we put a piece of paper on the water, it floated for a while, then sank to the bottom.
"We had salt to sprinkle on the ice. It went POP! When we put blue food colouring on it, it melted off. When I touched it, it was cold. When we pulled the balloon off the ice, it was a circle. We put the ice in the water and it floated. The ice ball was shaped like a crystal bag."
By Gabrielle
The ice made a crack then went back again when we put salt on it. The ice floated on the water. I thought it would drown. The paper floated like a boat, then sunk.
By Malachi
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