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Grades 9-12. The 4 lessons in this kit enable studen..
Ideal for studying wave motion in 2 dimensions. Stud..
A deluxe sound meter for every purpose. Meter covers..
Consists of 8 steel tuning forks (C-256, D-288, E-32..
Contains a 150-W, clear bulb mounted inside a fully ..
Make waves in the palm of your hand using this self-..
For demonstrating transverse and longitudinal waves...
The quantitative measurements of sound waves produce..
Simple alternative to the resonant water column. Inc..
Designed with unique foam beaches that all but elimi..
Used to activate tuning forks. Sphere is mounted on ..
With moist hands, vigorously rub the bowl's handles...
For demonstrating transverse and longitudinal waves...
The ultimate spring for demonstrating transverse and..
Demonstrate the principle of acoustical resonance wi..