Neil Downie believes that supporting students to devise, build and test their own projects can help to get them and their teachers interested in and enjoying physics Practical solutions Students who ...

This video explains how gas pressure changes as volume changes. Pressure and volume are inversely proportional. That means if the volume of a gas doubles, its pressure halves for a fixed amount of gas ...

This video explains how the direction and gradient of a line on a velocity-time graph can tell us whether an object is accelerating, moving at a constant velocity or decelerating. Velocity time graphs ...