Discussion Questions: Buoyancy Brainteasers: Boat-in-Pool Puzzler

Before you select an answer, do you think the pool's water level will rise, lower, or stay the same when the rock is tossed into the pool? Why?

Explain why the pool's water level went down when the rock was thrown into the pool.

When an oil tanker is emptied of its oil, what do you think happens to the level of the tanker in the water? What do you think happens to the water level?