The purpose of this activity is to give pupils first hand experience of a buoyancy force and to encourage them to talk about...
The purpose of this activity is to make measurements to find the size of buoyancy forces and to start to think about what the...
Floating and sinking are often the subject of study in science lessons. An object that is afloat is an object in equilibrium...
This is an account of the origins of the buoyancy force.
For equivalent volumes of substances the statement heavy things sink and light things float is close to being true. However...
As you put your finger in the water, the water tries to push up and float your finger. Because of this the finger pushes down...
Adding fresh water dilutes the salt water and reduces the amount the water lifts the egg.
A special case of Archimedes’ principle occurs when an object rests at the bottom of a tank of liquid. For example, when a...
Stories from Physics
Diving birds tend to have plumage that traps less air in comparison to non-diving birds as the trapped gas exerts an...
Recognising and celebrating outstanding contributions to the field of physics education.