Education

Knife Switch, Single pole, single throw

Knife switches are used to manipulate how electricity flows through a circuit. The base and the handle of the switch are insulated to allow for handling.

Knife switches are used to manipulate how electricity flows through a circuit. The base and the handle of the switch are insulated to allow for handling.

Knife Switches for low voltage experiments (less than 36V) with plastic bases. These items are available with either thumbscrew or spring binding posts.

The classic demonstration of spectral lines. Each tube has its characteristic spectrum when energized before a spectroscope.

This premium set includes a stand, rod clamp and ring, all in one packages - eliminating the need to piece together a system for your classroom or lag. Everything is in one box.

High Quality prepared microscope slides for botany, zoology, histology, parasitology, pathology.

High Quality prepared microscope slides for botany, zoology, histology, parasitology, pathology.

Double sided dry-erase mat (9” x 11”) includes a 1 cm x-y axis grid on one side for graphing activities. The other side is blank but coated so it can be used with dry-erase markers. Sold as a pack of 10.

Demonstrate how two identically sized cans absorb and radiate energy differently. One of the screw cap cans is smooth metal and the other is painted dull black.

Lamp boards are useful for demonstrating how circuits work. Our lamp board with buss bars holds five lamps in a circuit that can be easily switched via buss bars between parallel circuits, series circuits, or a combination of circuits.

Excellent model, complete with Teacher Activity Guide which demonstrates LaPlace's law (also Flemings Left Hand Rule) What it shows is that a conducting material with electricity going though it is surrounded by a magnetic field and if placed in a