Spec 0625
Revise CIE IGCSE Physics 2.1.2b Gas pressure and particle collisions with the question bank and revision guides.
Describe the pressure and the changes in pressure of a gas in terms of the motion of its particles and their collisions with a surface • Supplement: Describe the pressure and the changes in pressure of a gas in terms of the forces exerted by particles colliding with surfaces, creating a force per unit area