This 3V conductivity tester demonstrates the electrical properties of various liquids. The item consists of a molded plastic lamp socket mounted on a base with 2 binding posts for connecting a wire cord. It comes complete with bulb, glass tumbler, and instruction manual.

The unit is bigger than standard electroscopes for easy viewing. The leaf is larger and the wide radius of swing provides a visual and sensitive demonstration. The unit also features a built in scale which helps to determine the amount of charge generated. The metal case is strong and resistant to…

This excellent quality electrostatic generator consists of a charge generation system, an aluminum collector sphere and an electric motor drive on a sturdy base. The charge generation system is based on a moving neoprene belt mounted on insulating rollers with metal charge transfer combs. The…

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 Electricity System 1 Physics Kit comes with 51 components, including a Circuit Board, and all the resistors, lamps, voltmeters and ammeters one needs to investigate core concepts in introductory electricity. With this kit students can explore common experiments such as Ohm’s Law,…

Our flat metal electrodes are 18mm by 100mm (approximately 0.75" by 4"). We carry electrodes made from seven different metals: aluminum, brass, copper, iron, zinc, nickel, and tin. Use them in your own experiments with electricity.   PRODUCT WARNINGS WARNING: …

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…

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 post and external calibrating screw. Meters are not protected against prolonged or significant overload. Stackable for storage.

Flexible, 18swg stranded wire cord with a stackable banana plug at one end and an alligator clip at the other end. Alligator clip has a protective vinyl sheath.

The Electrostatics Kit is a collection of materials designed for students to investigate the creation of charges through friction between various rods and fabrics. Contents include: Hollow Glass Friction Rod (1) Glass Friction Rod, Half Ground (1) Ebonite Rod (1) String, 10' (1) …

This economical seven piece kit lets you demonstrate the conversion between different forms of energy. It includes four devices for generating electrical energy from mechanical motion (hand generator), chemical energy (batteries), light (solar energy), and wind (windmill) and three devices for…

Convenient, economical package of materials to start investigating electricity concepts. Assortment includes: 6 Round Plastic Bulb Holders, 3 Knife Switches, 6 Battery Holders with Fahnestock Clips, 10 Fahnestock Clips, 1 Wire Stripper, 3 Wires with Alligator Clips, 18"; Assorted Colors, 3 Wires…

Our Digital Voltmeters are simple, have an easy-to-read display, and run on a 9V battery. We sell several different voltmeters with different ranges of measurable voltages. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including styrene and lead, which are known…

This simple and ingenious device quickly and graphically shows students how different metals conduct heat at different rates. It consists of four identically-sized bars of common metals - steel, brass, aluminum, and copper - mounted parallel to one another in a plastic support. Attached to each bar…

This device can be used as a classic standard calorimeter or as an electric calorimeter. Made of aluminum and plastic, the calorimeter has a diameter of 10cm, height of 11cm, liquid capacity of 175ml, and a heat capacity of 25J/°C. Electrical requirements are 6V DC, up to 2A.

The Electrostatic System Physics Kit comes with 26 components, including an electroscope, pith balls, and various rods one needs to investigate core concepts in introductory electrostatics. With this kit students can explore common experiments such as The Gold Leaf Electroscope, Positive and…

The connector cord set have Cross-Patch/Stacking Banana Plugs which allows you to connect to another Banana Plug on both the side or back of the first plug. The cords are plastic coated and flexible. The set includes 6 cords; 3 black and 3 red.

Flexible, 18swg stranded wire cord with alligator clips at both ends. Alligator clips have protective vinyl sheath.

Friction Rods are 12"; long unless noted. Excellent for demonstrating static electricity

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…

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…

This sturdy electroscope features a metal case with front and rear glass windows for preventing air currents from affecting the deflection of the leaves. Leaves are gold and aluminum. Leaf support rod is held in place by an insulating plastic sleeve. A graduated scale is also provided for measuring…

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.

Connector cords are useful in various electricity experiments, as well as in many apparatuses that require connections to power supplies. All of our connector cords are made of 18-gauge insulated wire. These connector cords have alligator-clips on each end. Alligator-clip ends are useful for useful…

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 connector cord set have Cross-Patch/Stacking Banana Plugs on one end and a Alligator Clip on the other end. The alligator clip has an insulated sleeve for safety and the cords are flexible and durable. The set includes 6 cords; 3 black and 3 red.

A Wheatstone Bridge is a tool that can be used to determine an unknown electrical resistance within a circuit by comparing known resistances to the unknown resistance value. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including styrene, nickel, and lead, which…

2"; long, plain, chrome plated alligator clips with excellent conductivity. 2"; long, with insulated sleeve, chrome plated alligator clips with excellent conductivity. Pack of 10, five each red and black.

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.…

Our Digital Ammeters are simple, have an easy-to-read display, and run on a 9V battery. We sell several different ammeters with different ranges of measurable amperages. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including styrene and lead, which are known to…