Physicists who changed the world

These great scientists had a tremendous impact on the advancement in physics.

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Pitch and frequency, Part I

Experience the relationship between pitch and frequency through measurements.

Thermal expansion of bridges

The length of the metal frameworks of bridges change when the temperature changes.


A spacecraft on its path is in a constant state of free fall.

Archimedes' seesaw

In this experiment, we use buoyancy to study the balance of two glasses of water.

Characteristics of sound waves

This animation explains the most important characteristics of waves through sound waves.

The faithful cork

How does a piece of a cork behave on the surface of a glass of water? You can examine that in...

Straw flute (observation)

Observe what happens when making sounds with shorter and shorter pieces of the same straw.

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