The 50th element is one that is very familiar to most people - Tin. Long before children learn the word science they learn about Tin - the container for storing biscuits and foods such as baked beans, fruit and pet food.
The scientific symbol for Tin is Sn. This name comes from Stannum the latin word for Tin .
Known for thousands of years, Tin was mixed with copper to make bronze.Tin is a silvery white metal.
The cans which we call tin cans are not made of pure Tin but are actually steel cans with a thin layer of Tin covering them.Tin is also used in solders.
Window glass is made by floating molten glass on molten Tin . This is known as the Pilkington Process.
Experiment of the week
To make a flat sheet of fat using molten ice.
You will need:
About 15 ice cubes
A plastic or metal tray
A saucepan or heat proof container
250g lard
Adult supervision
What to do:
Place the ice cubes in the tray and allow to melt. The melted ice should be a minimum of 1cm deep. Add more ice if necessary.
In the saucepan melt the lard.
Gently pour a thin layer of the molten lard onto the molten ice (water).
Allow to cool. Remove the sheet from the tray.
Make more sheets of lard as required.
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