"PARKWAY PLASTICS, INC."

Relate Motion to Sound

High Quality.

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

Observe phase reversal at the fixed end of wave pulses with this spring used to test waves in fundamental and multiple vibrations.

Make sound measurements with greater precision and convenience.

This compact tank can be used on an overhead projector or as a traditional ripple tank.

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

Alloy tuning fork economy stamped.

With the Resonance Apparatus, students investigate the effect of frequency on wavelength.

Get students into the swing of things with the Doppler effect.

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

Break light into its components wavelengths

Make the study of light and color fun and easy

Multi-purpose drilled ball set ideal for pendulum experiments but can be used to meet a variety of lab needs.