Interactive Simulations
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Pendulum Lab
Adjust length, mass, and angle to see how they affect oscillation period.
easy Physics
Lever Principle
Move the fulcrum and weights to find the balance point.
easy Physics
Light Refraction Lab
Adjust incident angle and see how light bends when entering water.
medium Physics
Wave Interference
Two point sources create an interference pattern.
medium Physics
pH Scale Lab
Test common liquids with pH indicator strips and learn the pH scale.
easy Chemistry