1. Illustrations of familiar batteries, their main uses, the chemicals inside them and whether they are rechargeable. Suggested activities are to: Identify the metals involved and their symbols – why do different batteries contain different metal compounds? Use the websites to find out. Use the websites to match the pictures with the words (card sorting) List the characterisitics required for different battery applications (e.g., long life, short burst, reliability (eg for a pacemaker), many recharges, price) Work out a way of collecting sorted batteries for recycling (keeping the same materials together) – find out what happens to old car batteries. Find the price of the different batteries (web, shops) and compare the economics and environmental impact. Batteries teaching resources

2. Zinc : Magnesium oxide, Alkaline battery Higher capacity general use, non-rechargeable Lithium ion battery High capacity, mobile phones, laptops, rechargeable.

3. Nickel : Metal Hydride Higher demand rechargeable without memory effect Lithium photo battery Non-rechargeable, cameras with flash.

4. Lithium `coin’ battery Watches, electronics, calculators, non- rechargeable Zinc: mercury oxide battery Hearing aids, non- rechargeable

5. Zinc : carbon battery General purpose, cheap, non-rechargeable Lead: lead oxide and acid car battery High capacity, rechargeable

6. Nickel : Cadmium battery General purpose, rechargeable