Ask a Scientist - February 2012

Have a science related question? Ask away! We'll track down an answer from one of our OMSI scientists and each month post the answers. 


Q: What is the scientific reason behind what happens when you put a cup of water in window sill and the water disappears? - Janet

A: Water evaporates over time - the water molecules change from a liquid into a gas. The water becomes part of the air you breathe. And it might condense onto the window on a cold day, turning back from a gas into a liquid!

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