Pressure (in gases) OALH

Describe what happens to pressure with increasing depth of a liquid.

Define hydraulics.

State the equation for calculating frequency from wave speed and wavelength?

What technique is used to separate an insoluble solid from a liquid?

Give the unit for pressure

Challenge: Calculate the force if the pressure is 300 N/m2and the area is 3m2.

Which type of energy store is found in gas particles

As temperature increases, does pressure increase or decrease?

Define gas pressure.

Gas pressure is increased if:

Gas pressure is decreased if:

Define gas pressure.

Gas pressure is increased if:

Gas pressure is decreased if:

If the pressure is kept constant and the temperature is increased, what will happen to the volume?

If the pressure is kept constant and the temperature is decreased, what will happen to the volume?

If the volume is reduced, what happens to the pressure?

If the volume is increased what will happen to the pressure?

Describe the relationship shown in the graph

As the temperature increases, the volume ____________.

This is because the gas particles move around more _____, hitting the walls of the container ____ ____, causing the walls to move outwards and the volume to expand.

+ The relationship on the graph is __________ proportional

Fill in the gaps and rewrite the paragraph

Explain the relationship shown in the graph

As the volume decreases, the pressure ____________.

This is because the gas particles will be closer together so will hit the walls of the ____________ more often and apply a greater ________ on the wall of the container.

+ The relationship on the graph is __________ proportional

Fill in the gaps and rewrite the paragraph

A student notices that the pressure in their bike tyres increases on a hot day.

Explain why using knowledge about gas pressure

1.Define gas pressure.

2.State what happens to the volume of a gas as temperature increase.

3.State what happens to pressure when the volume of a gas decreases.