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Supercooling Water

Supercooling water using the scientific method.

Kira Hunter

on 19 June 2013

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Transcript of Supercooling Water

Research In this experiment I will show you how you can cool water below its stated freezing point and then crystallize it into ice on command. This is known as supercooling. If I put the water in the cup and put ice and salt around the cup it will cool the water below freezing point and if you put an ice cube in the water it will freeze instantly. http://chemistry.about.com/od/chemistryhowtoguide/a/how-to-supercool-water.htm Conclusion! Supercooling! How to Supercool water? Hypothesis Experiment! Pour about 2 tablespoons or 20 ml of distilled or purified water into a very clean glass.

Place the glass in a bowl of ice such that the level of the ice is higher than the level of water in the glass. Avoid spilling any ice into the glass of water.

Sprinkle a couple of tablespoons of salt onto the ice. Do not get any of the salt in the glass of water.

Allow about 15 minutes for the water to cool below freezing. Alternatively, you can insert a thermometer into the glass of water. When the temperature of the water is below freezing, the water has been supercooled.

You can make the water freeze by pouring it over a piece of ice or by dropping a small piece of ice into the glass.
My Conclusion is that putting water in a cup and putting ice and salt around it makes it below freezing temperature without actually freezing. Then when you put the ice cube in it the water that makes it freeze instantly T H E E N D!
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