2. Archimedes discovered why gases float. Archimedes discovered why certain objects will float and certain objects will sink.
3. Different objects displace different amount of water. Bouyancy= the tendency for an object to float when it is placed in a fluid. An object in water feels lighter and this is called bouyancy.
4. What is buoyant force? Archimedes principle of bouyancy: states the weight lost by an object immersed in a fluid is equal to the weight of the fluid displaced