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Chocolate is a datalogging investigation
activity. It is set in the context
of helping the McChocs company to
make better quality dark chocolate.
Pupils investigate a new way to crystallise
liquid chocolate. Checking the quality
of chocolate means accurately measuring
its melting point - better chocolate
is harder to melt. For this, pupils
use temperature sensors and datalogging.
They present their findings, with
a scientific explanation in terms
of particles, to the company directors.
This activity is best used with datalogging
equipment as this will enable students
to simultaneously observe and measure
the temperature of the chocolate.
It would also be relatively straightforward
to produce graphs to show the behavior
of chocolate as it melts. However
it would also be possible to do this
activity with thermometers.
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