"Activités de comprehensive"

Equilateral prisms, made from high quality clear acrylic sheet.

Both versions of these economy tuning fork sets come with a mallet designed for one hard and one soft end for use with all frequencies of forks.

Break light into its components wavelengths

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.

Closely wound steel helix for studying wave behavior.

The activator is specifically designed for use with tuning forks.

Scientific tuning forks are designed for acoustic research, sound wave analysis, and calibration standards.

This advanced ripple tank comes complete with all accessories needed for wave investigations.

Closely wound steel helix for studying wave behavior.

Used to investigate wavelength in air.