It was our P6s turn to recap all the previous topics, which we were glad to, as they had somewhat forgotten the liquid in the thermometer, how an impurity is able to affect the melting point and the boiling point of water. We added on a part where we showed the evaporation of “salt” water, leaving the salt particles behind too.
For the latter part of the experiment, at least our girls were able to recall the parts of the Respiratory System and the functions of the lungs. Whew.
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