The difference between climate and weather is well explained in this short video: the weather is the dog and the climate is the dog owner.
1. Watch the introductory video on Atmospheric Circulation:
2. Read pages 210 and 211 in your book and make notes.
3. Answer the questions in exercise 1 on page 227
The Science Museum has a good basic introduction to climate science with animations and diagrams: http://www.sciencemuseum.org.uk/ClimateChanging/ClimateScienceInfoZone/ExploringEarthsclimate.aspx#