All Resource articles – Page 26
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ResourceUse of salt in cooking, part 1
In this activity students devise and carry out experiments to test possible reasons for adding salt when cooking vegetables.
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ResourceThe discovery of buckminsterfullerene | Anecdotes for chemistry teachers
Listen to a 7-minute podcast telling the story of the discovery of the ’soccer ball’ carbon allotrope
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ResourceAnecdotes: Thomsons - Discoverers of the electron
The discovery of the electron and the diffraction of an electron beam.
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ResourceAnecdotes: The murder of Rasputin
The story of the attempted murder of Rasputin and why it didn’t work.
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ResourceAnecdotes: Making Aircraft from Seaweed
Creating a balsa wood substitute from calcium alginate for World War 2 aircraft production.
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ResourceAnecdotes: In the Limelight
The background and chemistry of burning calcium with hydrogen and oxygen to make ‘limelight’.
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ResourceAnecdotes: Measuring Lead Levels in Hair
Measuring lead levels in hair using atomic absorption spectrometry.
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ResourceAnecdotes: Copper
The use of copper hull plating on wooden ships and the deterioration of the iron fixing bolts due to bimetallic corrosion in sea water.
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ResourceAnecdotes: Gimli Glider
The story of the Air Canada plane that ran out of fuel in mid-air and had to land as a glider, due to a units mix-up when calculating the fuel needed for the journey.
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ResourceAnecdotes: Aluminium
The story of the discovery of the Hall-Heroult process for purifying aluminium.