Light, Density, Heat, & Sound

Set of Mirror Clips

Made of durable PVC plastic, these mirror supports are designed for added stability. Use them in pairs to hold long rectangular mirrors. Pkg. of 36. More.

Acrylic Mirrors Set

Highly reflective, 4" x 5" rigid acrylic mirrors. 1/8" thick. Pkg. of 10 mirrors. More.

Energy Transfer Kit

Gr. 6-12 A series of activities based on waves, light, and sound. Some of the activities include producing both longitudinal and transverse mechanical waves and comparing their similarit... More.

Doppler Demo

Gr. 7-12 A simple but effective way to demonstrate the Doppler effect. Includes hardwood block with attached buzzer and battery holder, string, and instructions. More.

Laser Pointer Key Chain

Gr. 6+ This 2-1/2"-long laser pointer comes with a key chain for added convenience. More.

Light: Reflection and Mirrors Lab

Gr. 6-12 Explore the behavior of light, how various materials reflect light, the nature of mirror images (including mirror writing), and curved reflective surfaces in 4 engaging activiti... More.

Super Slinky® and Stand

This extra long Slinky® spring (stands 13 cm high when compressed) allows students more time to observe wave behavior. The concern over tangling during use or storage is solved with the includ... More.

Student Grade Forks - Set of 8

These nonmagnetic tuning forks require no plating and will not rust or corrode. The scale letter and frequency is stamped on each fork. These forks are accurately tuned within ±.5% at 20 degre... More.

Investigating Light Poster

Provides an illustrated view of such key concepts as light and its sources, the electromagnetic spectrum, light and color, human sight, and how colors are seen. 23" x 35". Laminated. More.

Radiometer

Turn light into motion! Perhaps the best and most reliable way to demonstrate radiant heat! Partially evacuated glass bulb contains spinner with 4 vanes; blackened on one side, silvered on t... More.