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Old 03-13-2006, 11:00 AM
mommy2 mommy2 is offline
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Talking cracked egg

Help! My son did a density experiment with eggs, salt water and sugar water. 4 tablespoons of salt made the egg float. 10 tablespoons of sugar made the egg float. Why did it take more sugar to make the egg float? (In six yr. old terms please.) Thank-you
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Old 03-14-2006, 02:10 PM
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Originally Posted by mommy2
Help! My son did a density experiment with eggs, salt water and sugar water. 4 tablespoons of salt made the egg float. 10 tablespoons of sugar made the egg float. Why did it take more sugar to make the egg float? (In six yr. old terms please.) Thank-you
1) Did you use the same egg?
2) Everything is determined by density, and therefore, by mass. My hypothesis: I guess sugar is lighter than salt (since sugar is such a big molecule, I think sugar therefore takes up more space than salt, and therefore, weighs less takes up more space.)

Hope it helped! (It is very interesting though...If I have a definitive answer, I'll get back to you!)
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