"WardsSci000474"

Very inexpensive magnetic compasses are specially suited for tracing the magnetic fields of bar magnets. Each compass has a polished aluminum case and a beveled glass top.

Choose high quality crown glass or shatter-resistant acrylic lenses.

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Build 5 simple machines simultaneously!

Inexpensive yet convenient for all circuit experiments.

This unit visually reinforces heat conductivity lessons.

Complete electricity kit in a convenient storage case.

Ice Melting Blocks are a unique way to teach principles of conductivity of heat and the scientific method.

Versatile teaching kit contains enough materials for the whole classroom to learn about and experiment with a variety of pulley configurations. Because these activities are hands-on, students get a real feel for the forces at work.

Lessons in Optics and Light in the Palm of Your Hand Colorfully illustrate additive and subtractive color mixing, color transmission, absorption and filtering of the different wavelengths of light with this set of primary and secondary color mixing paddles. You can also use the diffraction gratings in this set to view spectra from different light sources. Show students how a spectroscope, colored lights, and even polarized sunglasses work with the contents of this set.

Both versions of these economy tuning fork sets come with a mallet designed for one hard and one soft end for use with all frequencies of forks.