"Activités de comprehension"

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.

Steel tuning forks for physics experiments.

Determine Concentrations of Unknowns

Steel tuning forks for physics experiments.

Take the classic resonance box to a whole new level.

Visualize sound wave nodes and antinodes in an organ pipe.

This sturdy clamp is invaluable for experiments involving energy, motion, acceleration, and more.

Boomwackers are brighly colored plastic tubes tuned by length to musical notes.

Equilateral prisms, made from high quality clear acrylic sheet.