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Uncertainties in measurands
Students will be split into four groups and each group will be asked to perform one of these experiments.
Evaporation from a liquid (2.1A)
Water is placed inside a dish and allowed to evaporate; one measures the mass of water with time.
Craters in sand (2.1B)
Lab Manual The formation of craters in sand is dependent on the striking energy; a process reminiscent of the variety of craters formed by asteroids striking the moon.
Sliding friction (2.1C)
A block slides down an inclined plane; a protractor is used to the measure the inclination.
Density of steel (2.1D)
One finds the volume and mass of ball bearings and estimates the density.