I’m a Scientist is like school science lessons meet the X Factor! School students choose which scientist gets a prize of $1000 to communicate their work.
Scientists and students talk on this website. They both break down barriers, have fun and learn. But only the students get to vote.
This zone is the Disease Zone. It has scientists studying the causes and processes of illness . Who gets the prize? YOU decide!
Funnily enough, steam from your shower DOES usually condense on your wall, as well as your mirror. Next time someone has a hot shower at home, make sure you have a dry hand, and touch a section of wall near your mirror, but far enough away from the shower that it won’t have gotten splashed. The wall will most probably have a thin layer of water on it, just like the mirror.
Of course, some times this doesn’t work. If it hasn’t, it might be because the wall is warmer than the mirror. A surface has to be relatively cool for steam to condense into water, so a warm wall would be less likely to collect the vapour as it cools.
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Well, it does condense on your wall, just touch the wall with a dry hand and you’ll notice (same thing Vanessa wrote).
The way it works is…..when the temperature is warmer, molecules start to move faster. So really cold water molecules don’t move at all and that’s when you get ice. When the temperature goes up, the molecules start to move faster and that’s when the water turns from ice to a liquid form. More movement of molecules means they need move space between them (same as being on a dancefloor with a bunch of people, if you want to move/dance faster, you’ll need more space).
With a hot water shower, the water molecules are very active and move a lot. Some of them will move so much, they need a lot of space and that’s when water becomes a vapour. The water molecules are happy floating through your bathroom space until they hit a surface that is cold. So as I said before, if the temperature suddenly drops (cold mirror or wall), the molecules becomes less active, they need less space between them and condense to form water droplets.
The difference between ice, water and water vapour is simply the space between the molecules, which is affected by temperature.
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