Alcohol
Science brain teasers require understanding of the physical or biological world and the laws that govern it.
A girl was offered a drink of water with ice-cubes at a party. She narrowed her eyes and said, "This is part alcohol." How did she know?
Answer
The ice-cubes were floating in the middle of the drink. Since alcohol is less dense than ice-cubes, it floats to the top and the ice-cubes go to the middle, above the water where water stays at the bottom.Hide
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