Learn about static electricity and the function of a dielectric with this device. Two aluminum jars-one with an attached aluminum electrode-and one plastic jar are used to collect the charge. Assembled device is 6"; tall and 3-1/4"; in diameter.

This apparatus helps students to observe energy transfer and conversion and investigate the systems that keep homes comfortable and safe. The suggested activities below will: explore the relationship between parallel circuits and current; understand how thermostats and circuit breakers operate; and…

Operates on 1.5V or 3V DC. Speed: 7000-11000 RPM. Motor is 40 MM long x 20Mm in diameter. Shaft size: 2 MM diameter x 8 MM long.

This electroscope is housed in a 250ml borosilicate glass flask with a metal rod attached to a rubber stopper. A pair of aluminum leaves is suspended from an alligator clip. The knob on top of the rubber stopper accepts a charge. When the charge enters the flask, the aluminum leaves separate. Also…

This handheld device provides a qualitative visual indicator of the conductivity of different solutions, acids or salts. Two brass probes can be touched to a solid substance, or immersed in a liquid, to show conductivity on green LEDs that range from 1 to 10. Each probe is 53mm long with a diameter…

Ideal for demonstrating series and parallel circuits. Lamp Boards are supplied with spare bulbs and an activity guide.

Plastic Battery holder available with Fahnestock Clips, wire leads, or fahnestock clips and jointers.

Demonstrate key electrostatics concepts with this kit. Contains everything necessary to construct two flask form elctroscopes. Detailed manual included experiments using two electroscopes for positive and negative charge studies, and a Faraday's Pail experiment. Kit includes 2 Glass Flasks, 2…

Compact analog multimeter offers popular features such as AC voltage, DC voltage, DC current, Ohms, measures capacitance and decibels, and comes with overload protection and diode test. Includes test leads and instruction manual. Operates on 2 AA size batteries (included).

Discover how people communicated over long distances before the telephone was invented. The Morse code experiment kit is designed to show the principle of a telegraph. The kit consists of a "D" cell battery holder, a telegraph key, a miniature lamp with holder, and three connector cords.…

A simple but effective device for demonstrating Lenz's Law using eddy currents induced in the wall of a copper tube by a falling magnet. The demonstrator consists of a 12"; long copper tube and two apparently identical metal slugs with rubber end caps. One slug is plain steel, and falls…

This pre-assembled DC motor is designed for students to learn about electromagnetic forces. The open structure resembles the diagram found in many textbooks. The polarity of the magnets can be reversed to change the direction of rotation. The motor can also be used with a rheostat to observe the…

This large van de Graaff generator uniquely offers alternative drive modes, either hand-cranked or motor driven. Excellently constructed, the generator reliably delivers charge and sparks 10cm long and more immediately on setting it in motion, even under high humidity conditions. In hand-cranked…

Telegraph key, mounted on a solid plastic base, measuring 11cm x 5cm.

This versatile multimeter includes AC voltage, DC voltage, DC current, continuity, resistance, transistor and battery test modes. Features an easy-to-read 3.5” digital LCD display. Supplied with two 24 in. 18 gauge test leads. Requires one 9V battery (included).

The classic method for demonstrating and measuring the small force experienced by a conductor carrying an electric current in a magnetic field. One half of the balance is placed inside a solenoid. The other half has an adjustable counterweight and can carry light additional masses. When current is…

Convenient fully assembled battery set holds up to 4 D-size batteries. Five color-coded binding posts on the base for easy, safe, and reliable connections to hook-up cords provide outlets for 1.5V, 3V, 4.5V or 6V supply voltages. Superior construction¡Xrobust, molded battery holders for secure…

This miniature DC motor is designed for experiments using low starting voltage (4.5V) and current (70mA). Speed: 1000-5000 RPM. Motor is approximately 34mm long x 24mm in diameter. Shaft size is 10mm long x 2mm in diameter. Includes soldered-on 7" lead with alligator clips.

This unique hand generator is an easy yet effective way to teach how AC and DC electricity is produced. Banana plugs can be inserted into the different connectors to change from AC to DC electricity. The unit has a clear base for easy demonstration of connections. Includes an activity guide.

Our meters are mounted in black plastic cases. Meters have a scale length of 75mm, offer +/- 2.5% accuracy and come with 5-way binding posts and an external zero-setting screw. Meters are not protected against prolonged or significant overload. Stackable for storage.

Friction pads are 12"; x 12";. For use with Friction Rods to demonstrate Static Electricity.

Well-constructed and attractive electric bell model mounted on a clear acrylic plate and a finished wooden stand. Functional parts are clearly seen. Operates on 6V d.c. with on/off switch, adjustable contact screw, and binding posts for easy connection.

The vertically-aligned set of LEDs make an easy and dramatic demonstration of the relationship between the color and wavelength of light. The spectral range of each LED can be investigated with a spectrometer, or just viewed for comparisons with each other and with the “white” LED…

Demonstrate the Second Law of Thermodynamics with this apparatus. Immerse one of the aluminum legs into ice cold water and the other leg into hot water to demonstrate how heat transfer can be converted to electrical energy. This conversion turns the turbine. Show the reverse effect of converting…

This is a popular accessory for electrostatic demonstrations. An insulating printed circuit board carries a metallic conduction path with six breaks and a binding post at each end. When connected to an operating electrostatic generator, simultaneous sparks occur in each of the breaks as charge…