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Download the Handprint Evaporation experiment in pdf format

Handprint Evaporation

When water is in the sun, it begins to disappear. When this happens, it is called evaporation. Evaporation happens when the sun takes the water and turns it into vapor. Try this experiment and you can see evaporation for yourself.

What you need:

Bowl of water

Sunny sidewalk

Shady sidewalk

Now here's what you do...

1. Dip your hand in the pan of water and make a handprint on a sunny sidewalk.
2. Count how long it takes to disappear.
3. Now go to a shady area of the sidewalk and make a water handprint there.
4. Count how long it takes to disappear this time.

What did you learn?

Which handprint disappeared faster?  Try it again if you're not sure. 

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Last modified: April 18, 2008
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