Biology:
Carry out an investigation to study the anaerobic respiration of yeast with particular reference to:
(i) The change of temperature with time
(ii) The evolution of density with time
Chemistry:
Carry out an investigation to study the pH changes that take place when neutralisation reactions occur between two named acids and a named base.
Physics:
Investigate the factors that determine the force of friction between a wooden block and the surface on which it is resting.
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