Welcome to the module on Pressure!

At the end of this module you should:
 
1. Understand the relationship between pressure, force and area. 
2. Understand the relationship between pressure and depth for a liquid. 
3. Understand that air has mass and occupies space. 
4. Understand that the atmosphere exerts pressure and that it varies with height. 
5. Understand weather charts and the effects of variation in atmospheric pressure and relate this to weather conditions.