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Curated OER
Exploring Pendulums
In this exploring pendulums instructional activity, students experiment with pendulums they make in the lab. They vary the length of the strings and the weights to observe the changes in the pendulum's amplitude and frequency. They...
Curated OER
Weighing and Determining the Average Density of the Earth
Some background information about density and Newton's Laws of gravitation and motion assist pupils in the following experiment. The procedure will help them further their understanding of gravity, pendulums, and a drop-ball experiment....