single pendulum primary school science teaching science and education instrument physical mechanics experimental apparatus swing ball hairline rule

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Single pendulum experiment equipment is a must for science education at the elementary level, and a classic physical mechanics tool.

High-quality stainless steel swing ball, smooth without burrs, paired with adjustable cotton thread, accurately measures the swing cycle.

Easy to conquer" the factors affecting the speed of swing. Through the comparison experiment of swing length and amplitude, it cultivates children's observation and logical thinking.

CE Certification Safety Material, Teacher Recommended! Transform abstract physics into visibility, ignite the passion for scientific exploration.