The Great Lakes Science Center was my first stop. It had a lot of hands on science exhibits and a wonderful IMAX movie on the Great Lakes. Here are your next 2 Questions:
What percentage of the world's fresh water are held in the Great Lakes?
a. 5% b. 10% c. 20%
Here is a bowl with a hole in the bottom. When you lower the bowl in the water the water flows into the bowl and it begins to sink. Here is your question:
As the bowl fills up, does it sink faster or slower?
I will put the answers in the comments, but don't cheat--give your answers first.