Because it still weighs less than a bulk of water of the same size as the boat.
How do we make use of this principle?
We make use of it in the construction of vessels, so as to carry on trade with other parts of the world.
Why can ducks and geese float on the water?
Because their light, downy feathers make their specific gravity less than that of the water; hence, they must float on its surface.
What may be said of the specific gravity of the human body?
When the lungs are filled with air, the specific gravity of the human body is rather less than that of water.
Can a person float in the water?
Yes; if a person, who cannot swim, will throw his head back so that his mouth and nose only remain above the water, he may float in this position for some time.
What is the specific gravity of fish?