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Wednesday, May 21, 2008

The Water Cycle




Evaporation and Condensation are two big parts of the water cycle. Evaporation is when water turns into vapor as it rises clouds form and condensation is when vapor turns into water. Stratus clouds are staight and look like horse tails, they also have moisture in them. Cirrus clouds are wispy and have a little bit more water in them. Cumulus clouds are round and fluffy and contain the most water. As the wind moves , ocean water evaporates and forms a small cloud such as a cirrus or stratus which evaporate water from liquid to gas. After the clouds become heavy with water vapor and form cumulus clouds, they condense the vapor into water. Clouds move and bring rain to land and lakes, streams, reservoirs and ....puddles.... From there the water flows down to the ocean. This process of the Water Cycle is necessary because it purifies the water we need.

Wednesday, May 14, 2008

My Kite, the Wind Catcher

I made a kite that I think might fly. My kite started from a large sheet of orange poster paper and colored pencils. The kite has openings like a box kite because wind will flow in between the openings so the kite goes up. I cut out a star from orange construction paper and then taped all of the corners together to make the openings. The openings allow the air to circulate constantly and they make the kite lightweight. Kites with openings are easier to fly than kites without any because the openings let in the air to lift the kite.