Map the largest river near your school.
Are there locks and dams on the river?
Report on the geography and geology of the river, paying specific attention to the location of the locks and dams.
How far could you go on an inland-water journey?
A cubic foot of fresh water weighs 62.
4 pounds (1 kilogram per liter).
To understand the concept of how dense water is, calculate the weight of a waterbed.
Call a waterbed store to find out the amount of water contained in a super-single-size waterbed, a queen-size waterbed, and a king-size waterbed.
Do some research about some of the world records for subjects pertaining to locks and dams: the dam with the greatest volume; the largest dam; the highest dam; the longest dam; the largest reservoir; the earliest-known reservoir; the most damaging dam disasters; the greatest number of locks on any one waterway;the largest set of locks; the deepest locks.
Visit a beaver dam.
What similarities are there to dams constructed by humans?
Why do beavers construct dams?
What materials do beavers use?