... it compresses upwards, it does not become fully compressed, as this will also affect the results adversely. * Let go, and use a stopwatch to time 20 oscillations. You do not need to start timing at the moment you let go; instead you can start timing when the mass reaches either bottom or top of its oscillations, and then start timing. * When twenty oscillations have completed then stop timing. * Then repeat the method but add on a 100g mass. * Repeat this three times for each measurement of mass, and then find the average of each set of results. Only test masses up to 1kg, as otherwise the spring's elastic limit could be broken, spoiling the spring. Hypothesis: I predict that the time period of the mass-spring system will increase as the mass on the spring increases. Take two masses as an example - a large mass and a small mass. It requires more ...

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