1.+The+water+System

**How water wise are you?**
Good intro quiz to value of water: Students answer multiple choice questions. When you go through the answers they can note down key facts. http://news.bbc.co.uk/2/hi/in_depth/2946916.stm

Discuss the cause and consequences of the changing balance between water stored in oceans and ice.
The lesson plan uses a hollywood film to teach about thermohaline circulation and what happens if we the ice shelves of the poles melt - albeit with some Hollywood exaggeration!

This lesson plan has links to you tube clips but they may be gone. A copy of 'The day after tomorrow' would be best.