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Teaching and training supplies to support a variety of educational disciplines and suitable for kindergarten, elementary, middle school, high school, and college classrooms as well as remote education.
Model the salt toxicity of three different salts using radish seeds and process of determining the LD50 for three different salts: NaCl, MgCl2, and CaCl2.
This activity lets you simulate carbon dioxide production by soil microorganisms, highlighting the soil's vital ecological role, helping learn about carbon's crucial role in soil function, benefiting both crops and animals.
Supertek™ Aluminum Set of 13 Tuning Fork, range from 100 Hz to 4096 Hz. These superior grade tuning forks are individually tested to assure that the proper pitch is achieved. Set includes a rubber tipped mallet to serve as an actuator.
Fun hands-on experiments with Supertek™ Sound Resonance Kit. The pair of tuning forks demonstrate the resonance of sound and other acoustic phenomena. Kit includes two identical tuning forks, a rubber striker, a piece of clay to vary the frequency and a plastic dish for sound wave observation.
Supertek™ Economy Chromatic Set of 13 Tuning Forks have been selected to illustrate the 12 tone 'Well Tempered' musical scale. These economy grade tuning forks are individually tested to assure that the proper pitch is achieved. Attractive and practical foam lined wooden storage case.
This Supertek™ Musical Superior Grade 293.7 Hz 'D' Tuning Fork is non-magnetic, corrosion-resistant aluminum alloy construction for light weight and durability. Superior performance and consistent frequency accuracy. Delivers clear tone, longer sound and accurate tuning.
This Supertek™ Resonance Box with 4 Mounted Tuning Forks is used for demonstrating the formation of basic major cord. Frequencies are 256 Hz 'C1', 320 Hz 'E', 384 Hz 'G' and 512 Hz 'C2'. Size of box 11.25 x 4.50 x 2.50 in. Comes with hammer.