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Chemistry · Physical Chemistry

Time how long an effervescent tablet takes to dissolve at different water temperatures.

ExperimentHousehold materialsFull guide

Biology + Sports and Exercise Science

Record pulse before, during and after exercise for several volunteers and compare recovery times.

InvestigationNo equipmentFull guide

Physics · Oscillations

Time pendulums of different lengths and get the acceleration due to gravity from a straight-line graph.

ExperimentHousehold materialsFull guide