I decided to try the trick. I bought both bottles. I flipped them upside down. The results were fascinating.
The Trick
Flip the bottle upside down. The trick is simple. Just flip the bottle upside down and watch the bubble.
Real honey: The bubble will rise slowly.
Fake honey: The bubble will rise quickly.
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The science: Real honey is thick and viscous. Fake honey is thin and watery.
Why Does It Work?
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Real honey is thick. It has a high viscosity.
Language Resources
Fake honey is thin. It has a low viscosity.
The bubble test: The bubble rises slower in thick liquids.
The sugar content: Real honey has a high sugar content.
The processing: Fake honey is often processed and diluted.
Other Ways to Test Honey
The water test: Add a drop of honey to a glass of water. Real honey will sink to the bottom. Fake honey will dissolve.
The flame test: Dip a wick in honey and try to light it. Real honey will catch fire. Fake honey will not.
The thumb test: Place a drop of honey on your thumb. Real honey will stay in place. Fake honey will spread.