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Measure the frequency of a pendulum on a string. You can determine the gravity constant this way.

Continue reading “Pendulum”

The smartphone is placed in a (tightly inflated) plastic bag. Through the pressure sensor, you can determine the changes in pressure when differen weights are placed on the bag.

This experiment was shown to us by Holger Jessen-Thiesen (Twitter), who also provided a worksheet, which is only available in German at the moment.

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Put your phone into a paper roll and use the gyroscope to determine its speed.

This experiment is no longer available on iOS! (details)

Continue reading “Roll”

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Measure the frequency of a pendulum on a spring.

Continue reading “Spring”