Aim: To observe contraction in gases.
Equipment: Aluminium can, Scissor tongs, Bunsen burner, heatproof mat, tripod, gauze mat, an open container of water.
Method
1. Set up a Bunsen burner underneath a tripod and gauze mat.
2. Pour approximately 50-60 M of water into your can. It should be no more than 1/4 full.
3. Heat the can of water until steam is seen escaping from the top
Carefully grip the can with the scissor tongs. Ensure you have a firm of the can before lifting it of the gauze mat.
4. Quickly, but very carefully, invert the can as you plunge it into a container of water.
Observation: Nothing happend
Explanation:
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