The particles of a gas, in a container of fixed volume, are given more energy. Which effect does this have on the gas?

1.8.1 Define pressure as force per unit area; recall and use the equation p = F/A

1.8.2 Describe how pressure varies with force and area in the context of everyday examples

1.8.3 Describe, qualitatively, how the pressure beneath the surface of a liquid changes with depth and density of the liquid

1.8.3 (old)Describe the simple mercury barometer and its use in measuring atmospheric pressure

1.8.4 Recall and use the equation for the change in pressure beneath the surface of a liquid Δp = ρgΔh

1.8.5 (old)Use and describe the use of a manometer

2.1.1.1 Know the distinguishing properties of solids, liquids and gases

2.1.1.2 Know the terms for the changes in state between solids, liquids and gases (gas to solid and solid to gas transfers are not required)

2.1.2.1 Describe the particle structure of solids, liquids and gases in terms of the arrangement, separation and motion of the particles, and represent these states using simple particle diagrams

2.1.2.2 Describe the relationship between the motion of particles and temperature, including the idea that there is a lowest possible temperature (−273 °C), known as absolute zero, where the particles have least kinetic energy

2.1.2.3 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

2.1.2.4 Know that the random motion of microscopic particles in a suspension is evidence for the kinetic particle model of matter

2.1.2.5 Describe and explain this motion (sometimes known as Brownian motion) in terms of random collisions between the microscopic particles in a suspension and the particles of the gas or liquid

2.1.2.6 Know that the forces and distances between particles (atoms, molecules, ions and electrons) and the motion of the particles affects the properties of solids, liquids and gases

2.1.2.7 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

2.1.2.8 Know that microscopic particles may be moved by collisions with light fast-moving molecules and correctly use the terms atoms or molecules as distinct from microscopic particles

2.1.3.1 Describe evaporation in terms of the escape of more-energetic molecules from the surface of a liquid

2.1.3.1.1 a change of temperature at constant volume

2.1.3.1.2 a change of volume at constant temperature

2.1.3.2 Convert temperatures between kelvin and degrees Celsius; recall and use the equation T (in K) = θ (in °C) + 273

2.1.3.2 Relate evaporation to the consequent cooling of the liquid

2.1.3.3 Recall and use the equation pV = constant for a fixed mass of gas at constant temperature, including a graphical representation of this relationship

2.1.3.3 Demonstrate an understanding of how temperature, surface area and draught over a surface influence evaporation

2.1.3.4 Explain the cooling of a body in contact with an evaporating liquid