How do boats float? Get ready for a fun way to learn about buoyancy and boats in this experiment. Build boats to carry pennies and figure out how much weight is too much!
How Do Boats Float?
As a boat floats in the water it pushes aside water making space for the boat. This is displacement. The water then pushes back on the sides and bottom of the boat. The Archimedes principle states that if the weight of an object being placed in water is less than the weight of the water, the object will float. This is also called buoyancy.
Expand on the experiment by making large 12-inch boats out of tinfoil. How many pennies can they float? What other materials can you use to make a boat? Try additional waterproof materials to explore ways to create different shaped boats that float using straws, plastic cups or popsicle sticks. Bon Voyage!
Image Source: https://www.flickr.com/photos/ericahargreave/3772643255