Thursday, July 15, 2004

The Weight of Water

Try this at home. First think about it, predict what will happen and why, then test it.

You'll need a regular bathroom scale, a bowl or cup, and water.

Imagine a cup of water on a scale. Now imagine that you put the tip of your finger into the water so that it is immersed up to the first knuckle but does not touch the bottom of the cup. What happens to the reading on the scale? Does the weight increase? Decrease? Remain the same? If it changes, by how much?

Answers & observations in the comments section!

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