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Boat-in-Pool Puzzler  Here we have a boat in a swimming pool. In the boat is an inquisitive experimenter. Also in the boat is a rock. Our experimenter picks up the rock and tosses it into the pool. The rock sinks to the bottom. No water leaves the pool from the splash made by the rock. Now for the question: Does the pool's water level rise, lower, or stay the same? Back to Buoyancy Brainteasers Stories in the Timber | Explore the Shipwreck | Who Owns Lost Ships? Buoyancy Brainteasers | Teacher's Guide | Resources | Transcript | Site Map Voyage of Doom Home Editor's Picks | Previous Sites | Join Us/E-mail | TV/Web Schedule About NOVA | Teachers | Site Map | Shop | Jobs | Search | To print PBS Online | NOVA Online | WGBH © | Updated November 2000 |