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Observation

The results show that Diet Coke will float in tap water whereas Regular Coke will sink in it. However when 1 kilogram of sugar is added to the water, both the Regular Coke and Diet Coke cans start to float in the water.


Tank content

Regular Coke

Diet Coke

Tap water

Sinks

Floats

Tap water and 1 kg of sugar

Floats

Floats
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Complexity level:
7
Project cost ($):
20
Time required:
1 hour to prepare, 1 hour for experiment
Material availability:
Easily found. May be purchased at a supermarket.
Safety concerns:

None