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From its extraction through sale, use and disposal, all the stuff in our lives affects communities at home and abroad, yet most of this is hidden from view. The Story of Stuff is a 20-minute, fast-paced, fact-filled look at the underside of our production and consumption patterns. The Story of Stuff exposes the connections between a huge number of environmental and social issues, and calls us together to create a more sustainable and just world. It'll teach you something, it'll make you laugh, and it just may change the way you look at all the stuff in your life forever.

Show demonstration to class and then set video for homework and get the students to write equations.

Click at the bottom of the page and a 3/4 pages on you will find a good explanation of sp3, sp2 and sp hybridisation with diagrams.

A good outline of our Vitamin function and requirements.

a cartoon showing acid dissociation in water and the production of the hydronium ion

Explains Electrochemical Cells and allows you to use the Nernst Equation to calculate and predict Electrode Potentials

A lot of examples and very clear diagrams to illustrate hybridisation in a variety of molecules

A quick tutorial on polarity. The graphic at the end is really nice.

A good introduction to hybridisation involving s and p orbitals

Use Firefox - you need to download Cortona plug-in.