Water Level Puzzle

The Puzzle:

Water Level

There's a toy boat floating in a pool.

Place a lead ball in the boat (without sinking it), and measure the level of water in the pool.

Now take the ball out of the toy boat and drop it into the pool, and measure the water's level again.

Will the two water level measurements be different, if so which will be higher?

Do you have the answer? Check against our solution!