Our atmosphere
Locating the layers .. Find out how the layers of the atmosphere differ and the way they support the unique life forms found on earth
Looking at the layers .. Learn more about the distinctive features of each layer of our atmosphere
What about the weather? .. An introduction to the link between air pollution and our weather
Why air moves - a hot topic .. When hot air rises and cold air takes its place, there is movement in the air ...
It's a breeze - and other types of winds .. All about winds — starting with local winds
Synoptic weather systems .. More about winds — a look at those driven by regional weather patterns
Wind direction .. How wind carries air pollution and which way it will go
Estimating wind speed .. Learn how observing the effects of wind can be used to estimate its speed
Calculating wind speed .. Design and make a simple instrument to calculate wind speed
Predicting the weather .. Use what you have learnt earlier to investigate weather maps
Turbulent times .. Air movement can be complex and unpredictable at times and this affects how and where it takes air pollutants
Inversion layers .. Sometimes air temperature increases with height and this can trap pollution
The shape of the land .. How natural features, such as mountains, can affect where and how far air pollution travels
Page last updated: 27 February 2011
