spinning molecules make a rainbow
DESCRIPTION
Spinning Molecules Make a Rainbow. By Tommy Epp. Purpose. What milk is best to make a soap molecule dance?. Hypothesis. The colors will dance because the soap molecules like fat and move to it. I think the best colorful design will appear in the whole milk. Procedure. Get the following: - PowerPoint PPT PresentationTRANSCRIPT
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SPINNING MOLECULES MAKE A RAINBOWBy Tommy Epp
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PURPOSE What milk is best to make a soap molecule
dance?
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HYPOTHESIS The colors will dance because the soap
molecules like fat and move to it. I think the best colorful design will appear in
the whole milk.
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PROCEDUREI. Get the following:
1. Liquids w/ a range of fat(water, skim, 1%, 2%, whole, cream)
2. Shallow plate3. food coloring: red, green, yellow, and blue4. Q-tips5. dish soup
II. Pour a thin layer of milk in plate.III. Prop 1 drop of each food coloring in the milkIV. Put a drop of dish soap on a Q-tipV. Place Q-tip in milkVI. See what happens; Record observations
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WATERMost of the color went down to the bottom. It made a circle shape.
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SKIMStill had a circle shape, went a lot slower then water, had pointy pieces, no dancing
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1% MILK
Very little difference from skim milk
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2% MILKNo circle shape
Went slower than 1% milk
Had a lot of spikes
Maybe a bit of dancing
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WHOLENo circle
Went slower than 2% milk
Star shape
No dancing
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CREAMDifferent than all the others
A LOT of dancing
Moved VERY, VERY slowly
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CONCLUSION My hypothesis was partly wrong
I said whole milk was best but really cream was better I think cream was better because cream had cooler
designs The designs danced more, had more curly, bumpy
edges I also liked cream because it was slower
I said the soap molecules went to fat Cream has more fat so logically it would be better
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RESEARCH Spangler, Steve. Naked Eggs and Flying
Potatoes. Austin: Greenleaf, 2010. Parents (They answered some questions.)