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By Peyton
Hey! Did you know evaporation is in the water cycle? It's true! People just like us experience evaporation every day! How? When you exercise and get warm, you sweat. That water on your skin evaporates (changes from liquid water to water vapor) which helps cool you off. Energy is
important for evaporation to happen. Energy is used to crack the
connections that keep water matter close. That's why water evaporates
easily at 212 degrees Fahrenheit and You can never go wrong with evaporation. It helps us! Want proof of evaporation? Try this: take a bowl full of water (and salt if you like) and put it in the window for a few days.. Then compare what you see with what you saw at the beginning. What did you think? Okay, no more fun talk. Here's some examples of evaporation: puddles evaporate, lakes evaporate, even oceans evaporate, but not all the way, of course. I must admit that you and I both learned something new on this adventure. It was amazing! Don't you think? If you would like to know more about evaporation, just click on the links below: Weathering the water cycle: Evaporation Bibliography: (Animated pictures) www.animationfactory.com (Cycle picture) http://www.educ.uvic.ca/faculty/mroth/438/WEATHER/watercycle.html Name Administration, Inc. (2007). Chemkids: Evaporation. Retrieved Feb. 19, 2009, from Chemkids Web site: http://www.chemkids.com/evaporation Perlman, H. (2008). The Water Cycle: Evaporation, Retrieved Feb. 19. 2009, from U.S. Geological Survey Web site: http://ga.water.usgs/watercycleevaporation.html
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When water molecules heat up, they move faster and faster until they break
free of their bonds to each other and float off into the air.
slower at the freezing point (32 degrees Fahrenheit). Its that loss of
energy that also makes you feel cooler when you sweat.