Expanding Liquids

In this experiment you are going to heat the liquid (coloured water) in the boiling tube using a beaker of hot water.

The tube is not completely sealed. There is a hollow glass tube passing through the bung.

Predict what is going to happen.

Click here to see if you are right

 

 

 

 

 

 

 

 

 

 

 

 

 

The expanding liquid is rising up the tube.

What piece of equipment that you have used makes use of a liquid expanding as it gets warmer?

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