"Activités de comprehensive"

Investigate the wavelength of sound on an open end tube.

Prove the Heisenberg uncertainty principle by manipulating the diffraction variables of wavelength and slit width

High Quality for the Classroom.

Make sound measurements with greater precision and convenience.

This bell jar demonstrates that sound waves can't travel and therefore can't be heard without air or matter.

This ripple tank is transparent, acrylic plastic and supported in a sturdy plastic frame.

These long-lasting aluminum tuning forks have a full sound.

A mess proof way to demonstrate waves and refraction in water.

Alloy tuning fork economy stamped.

A must for explorations of sound and waves.