Spin That Egg to See If It is Cooked

Spin that egg to determine if it is a hardboiled or a raw egg?
Hardboiled or Raw?
Spin that egg? Why? Spin one egg and it wobbles. Spin another and it rotates smoothly. The first egg is raw, the other is hard-boiled. The hard-boiled egg spins smoothly. Why?

Solid

A hard-boiled egg contains only solid—from the outer shell to its very center. If you spin that egg, it acts as a unit—as one solid object.

Fluid

The contents of the raw egg aren’t completely liquid or completely solid. Spin the egg, and the contents neither stand still or spin completely. The result is—hampered spinning—wobbling!

So Spin That Egg!

Yes, spin it to see if it is cooked. If you do, you will never be left in doubt. Now don’t you agree that science can be useful?

Another Puzzle

Care to consider another simple science puzzle? Yes, you say? Check out this brief article that answers the question: Which weighs more, wet air or dry air? You may be surprised at the answer, but certainly if you follow the train of reasoning, you won’t question its accuracy.

Note: you might also enjoy reading Why Don’t My Boiled Eggs Peel Right?

References: ← Home

2 Comments

  • Sandra Reply

    Well, this is cool since I find the occasional hard-boiled egg unmarked and where it doesn’t belong in my ‘fridge. No more guessing!

  • Vincent Summers Reply

    It is kind of a fun way to distinguish between a hard-boiled egg and a raw egg, isn’t it, Sandra? Thanks for reading.

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