Friday, November 19, 2010
Liquid Experiment
On the 17th of November, 6b started making a small project and used 3 different types of tempered water. The first cup contained ice cold water at the temperature of 5degrees Celsius, the molecules in this water where the closest ones to a solid molecules. This water had the least energy. In the middle was the cup with the room temperatures, 23 degrees Celsius. Last, on the right side was the warm water which was at 56 degrees Celsius. Something I learned was that, density is all about space and mass and temperature is the measurement of kinetic energy. As we had everything prepared, we put food coloring into all 3 cups and observed. In the warm one, the food coloring diffused very fast and everywhere. In the normal water, some of the coloring stayed in the top and some in the bottom, last it started compressing against each other and joined which caused the whole cup to be covered with the coloring. When we did it for the cold one, all the food coloring instantly dropped down to the bottom. What happen during the process was evaporation and condensation. The most important thing we were looking for was the density and how it effects what is going on. Once you put the food coloring into water it will became the same temperature as the water. After all, looking at different conclusions for different types of water and temperature was fun and made me think as a scientist.
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