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Index Results
(35 Results)

AP6985 - $32.10
These award-winning, precisely tuned percussion tubes are excellent educational devices. Plus, they are just fun to use! Simply bang the tube on a knee or on the floor and you will hear a note from the C major diatomic scale-the longer the tube, the...
AP4532 - $71.30
Students are always perplexed when asked, “Do sound waves travel in a vacuum?” Demonstrate this concept with the Buzzer in a Vacuum device. The buzzer operates on a DC power source. Turn the power on and it buzzes loudly. Connect a vacuum pump to the...
AP5730 - $49.70
The Ames tube is a unique new acoustical device which is a combination tuning fork and tuning fork resonator cavity. For the first time you can demonstrate in uncontrolled conditions, without elaborate bench equipment, a variety of acoustical experiments...
AP6577 - $21.25
Safely and effectively demonstrate the Doppler effect! Swing this battery-operated buzzer over your head from its tethered string. Students will quickly observe a significantly higher pitch when it moves towards them, and a lower tone when it moves...
AP5789 - $296.75
Ideal device for your harmonic motion demonstrations. This ruggedly built oscillator will provide mechanical vibrations for driving strings, springs, ripple tanks, Chladni plates, or any other objects used in wave demonstrations. It sits on any flat...
AP6529 - $614.95
Easily produce perfect tones between 10 Hz and 10 kHz with this high-quality sound wave generator. Ideal for acoustic demonstrations that require precise sound frequencies such as the Doppler effect, or sound wave resonance. Or, use it in conjunction...
AP7014 - $126.80
Comprehensive kit consists of five hands-on experiments to explore the properties of waves and sound. • Using springs, students study longitudinal and transverse waves, and learn important concepts such as frequency, amplitude and period. • Observing...
AP4616 - $20.05
Simpler alternative to resonant water columns. No need for water and its inevitable mess. A tuning fork is struck and held at the end of an open-ended hollow resonance tube. While listening to the tuning fork, students slide the expandable column until...
AP5703 - $140.20
No need to mess around trying to mount meter sticks when you do your resonance experiments. The glass resonance tube in this superior apparatus is calibrated right on the glass! This direct calibration provides more consistent student data and more...
AP4623 - $20.20
Attention! That's what this high-pitched sound-producing rod will get when you perform this demonstration. The 2-foot-long aluminum rod is held bare-handed and rubbed with a special rosin to produce amazingly loud sounds of different wavelengths. The...
AP7040 - $42.20
A classic demonstration-times four! Demonstrate resonance in a variety of different metal rods. Which variables affect the resonating sound the most? Compare thick and thin rods, short and long rods, and solid and hollow rods. Will a hollow tube resonate...
AP6305 - $74.80
Mystify your students by creating a “singing” pipe organ from an ordinary metal tube. Fast, easy and excellent attention-grabbing demonstration to begin a sound unit, or to reinforce concepts such as standing waves, resonating frequencies, and air...
AP6312 - $27.60
Mystify your students by creating a “singing” pipe organ from an ordinary metal tube. Fast, easy and excellent attention-grabbing demonstration to begin a sound unit, or to reinforce concepts such as standing waves, resonating frequencies, and air...
AP9241 - $5.80
Noise hose, singing tube, or sound pipe-whatever you call it-you'll have fun demonstrating the Doppler effect while producing five different resonant tones. Your students will not only learn science, but have lots of fun with the 30" sound pipe....
AP6923 - $22.80
Does a vibrating spring produce sounds even when they cannot be heard? Use the Thundering Tube amplifier to find out! Pull or shake the spring attached to the rubber drum attached to one end of the Thundering Tube and you will hear an astonishingly...
AP4598 - $11.80
These convenient tuning fork blocks will save you time. • A quick glance at the end of class tells you whether your tuning fork sets are intact. • No sorting to get ready for the next class period. • No preparation needed for longtime storage. Simply...
AP5723 - $24.95
A versatile and economical alternative to tuning fork sets. This single fork is essentially a seven-tone set with physical-pitched frequencies of the C Major scale: 128C, 144D, 160E, 170.7F, 192G, 213.3A and 240B. The adjustment weights are easily...
AP6422 - $13.15
Make sure your tuning forks always ring true by striking them on this hands-free rubber wedge. Activating a tuning fork on the soft edge will make it ring at its proper resonance-no distortion from higher harmonics. The rubber activator also eliminates...
AP6974 - $12.70
The finest quality aluminum alloy tuning forks with exceptional tone duration and superior sound. Each tuning fork is stamped with the frequency of sound and note. Set of four tuning forks includes 256-C, 320-E, 385-G, and 512-C. Set of eight tuning...
AP6975 - $12.70
The finest quality aluminum alloy tuning forks with exceptional tone duration and superior sound. Each tuning fork is stamped with the frequency of sound and note. Set of four tuning forks includes 256-C, 320-E, 385-G, and 512-C. Set of eight tuning...
AP6976 - $12.70
The finest quality aluminum alloy tuning forks with exceptional tone duration and superior sound. Each tuning fork is stamped with the frequency of sound and note. Set of four tuning forks includes 256-C, 320-E, 385-G, and 512-C. Set of eight tuning...
AP6977 - $12.70
The finest quality aluminum alloy tuning forks with exceptional tone duration and superior sound. Each tuning fork is stamped with the frequency of sound and note. Set of four tuning forks includes 256-C, 320-E, 385-G, and 512-C. Set of eight tuning...
AP6978 - $12.70
The finest quality aluminum alloy tuning forks with exceptional tone duration and superior sound. Each tuning fork is stamped with the frequency of sound and note. Set of four tuning forks includes 256-C, 320-E, 385-G, and 512-C. Set of eight tuning...
AP6979 - $12.70
The finest quality aluminum alloy tuning forks with exceptional tone duration and superior sound. Each tuning fork is stamped with the frequency of sound and note. Set of four tuning forks includes 256-C, 320-E, 385-G, and 512-C. Set of eight tuning...
AP6980 - $12.70
The finest quality aluminum alloy tuning forks with exceptional tone duration and superior sound. Each tuning fork is stamped with the frequency of sound and note. Set of four tuning forks includes 256-C, 320-E, 385-G, and 512-C. Set of eight tuning...
AP6981 - $12.70
The finest quality aluminum alloy tuning forks with exceptional tone duration and superior sound. Each tuning fork is stamped with the frequency of sound and note. Set of four tuning forks includes 256-C, 320-E, 385-G, and 512-C. Set of eight tuning...
AP6982 - $67.90
The finest quality aluminum alloy tuning forks with exceptional tone duration and superior sound. Each tuning fork is stamped with the frequency of sound and note. Set of four tuning forks includes 256-C, 320-E, 385-G, and 512-C. Set of eight tuning...
AP6984 - $35.95
The finest quality aluminum alloy tuning forks with exceptional tone duration and superior sound. Each tuning fork is stamped with the frequency of sound and note. Set of four tuning forks includes 256-C, 320-E, 385-G, and 512-C. Set of eight tuning...
AP9032 - $46.75
The finest quality aluminum alloy tuning forks with exceptional tone duration and superior sound. Each tuning fork is stamped with the frequency of sound and note. Set of four tuning forks includes 256-C, 320-E, 385-G, and 512-C. Set of eight tuning...
AP9039 - $5.75
The finest quality aluminum alloy tuning forks with exceptional tone duration and superior sound. Each tuning fork is stamped with the frequency of sound and note. Set of four tuning forks includes 256-C, 320-E, 385-G, and 512-C. Set of eight tuning...
AP9242 - $86.55
The finest quality aluminum alloy tuning forks with exceptional tone duration and superior sound. Each tuning fork is stamped with the frequency of sound and note. Set of four tuning forks includes 256-C, 320-E, 385-G, and 512-C. Set of eight tuning...
AP5724 - $126.65
Get a tuning fork to sing out its note without ever touching it! Your students won't believe you can do it-but you will with this extremely high-quality set. Set both forks at the same frequency with the open ends of the resonating boxes facing each...
AP6417 - $60.00
Quickly and effectively demonstrate constructive and destructive interference! One tube rings at precisely 440 Hz, the other at 441 Hz. Strike the bars with the rubber mallet to make them both ring at the same time. When the two nearly identical waveforms...
AP7259 - $26.75
Accurately determine the average speed of sound in air with this elegant activity! Striking a tuning fork and holding it over the open end of a tube filled with water, students slowly lift the tube and tuning fork out of the water until they “hear”...
AP7260 - $140.35
Accurately determine the average speed of sound in air with this elegant activity! Striking a tuning fork and holding it over the open end of a tube filled with water, students slowly lift the tube and tuning fork out of the water until they “hear”...
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