The meters are ideal for numerous electrical and laboratory experiments. Full scale and fully enclosed, with accuracy +/- 2.5%, and a 7.5 cm scale length. Color Coded. Supplied with binding posts and external zero-adjustment.

Electroscopes are used to detect and roughly measure the electric charge on an item. This electroscope has a round case, a free-spinning pointer, and a gauge. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including benzene, nickel, and lead, which are known to the…

  Optical Bench Student Demo A simple form Optical Bench that provides an accurate demonstrations of basic optics principles. It uses a metric meter stick as the support bench. The complete system includes: meter stick 100cm length, 1 object market, 1 object screen, 1 screen support,…

A Vernier Caliper has many uses. The plastic Vernier Caliper is so inexpensive that every student can have their own tool and learn the fundamentals of using this tool. The Vernier Caliper is graduated in a metric scale of 0-150mm.

This DC motor operates on 1.5V or 3V and can reach RPM of 700 to 11000. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including nickel and lead, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more…

This seamless aluminum overflow can is designed to be used for displacement experiments and density measurements. Ours is made of aluminum and has an 80mm diameter and a 125mm height. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including lead, which are known to…

These pulleys are made of black plastic, have a metal housing, and have hooks at the top and the bottom. All wheels are 50mm in diameter except for the smaller wheels on the tandem models. We offer several varieties in both parallel and tandem styles. PRODUCT WARNINGS WARNING: …

The Basic Lung Apparatus is a simple apparatus that visually represents how a diaphragm works. A partial vacuum exists inside the jar, causing the lung shaped balloons to relax and contract. This Lung Demonstration Model also includes a second pair of balloons that can easily be swapped out to show…

Our Circular Glass Screen is used to observe how glass and light interact during optical bench experiments. This accessory is designed to work with our Basic and Deluxe Optical Benches (#OPTBN-BSC and #OPTBN-DLX). PRODUCT WARNINGS WARNING: This product can expose you to chemicals…

Archimedes' principle indicates that the upward buoyant force that is exerted on a body immersed in a fluid, whether fully or partially submerged, is equal to the weight of the fluid that the body displaces. The Archimedes' Principle Apparatus is perfect for attempting repeat experiments of this…

The kit includes the pieces to build a simple balance demonstration. Consists of a knife edge clamp, meter stick, metal support and cast iron base. The knife edge clamp is often used on a balance demonstration to hold a meter stick or for suspending a weight from a meter stick. Made from nickel…

The Newton's Cradle is more than a cool novelty decoration, it is a beautifully simple demonstration of some core concepts of physics and mechanics. With the Newton's Cradle, you can explore concepts such as the conservation of energy, momentum, elastic collisions and friction. Provided with a well…

Demonstrate storage of electrical charges! This unit is effective in helping students understand the function of a dielectric and the buildup of static electricity. The inner and outer metal conductors are separated by a plastic insulator cup. These pieces slide easily in and out of one another.…

Use this mount to attach any of the other accessories we sell to our Basic and Deluxe optical benches (#OPTBN-BSC and #OPTBN-DLX). PRODUCT WARNINGS WARNING: This product can expose you to chemicals including nickel, lead, and styrene, which are known to the State of California to…

Spring Scales are used to weigh loads and are used in physical science experiments as a basic accelerator. Spring Scales use Hooke’s law to determine the size of the force stretching the spring by measuring the displacement. The spring scale has a clear body that is graduated, a mounting ring…

Helmholtz coils are useful for creating near-uniform magnetic fields or for cancelling out external magnetic fields, such as the earth’s. The field between the two solenoids is at its most uniform when the distance between them is equal to the radius of the solenoids. This can also be used with a…

Our Grating Holder optical bench accessory allows you to choose your own size of grating to cover the aperture in the middle of the holder. This accessory is designed to work with our Basic and Deluxe Optical Benches (#OPTBN-BSC and #OPTBN-DLX). PRODUCT WARNINGS WARNING: This…

A glass cup with a U-tube attached. When water reaches the top of the inverted U-tube, a siphon action begins which drains the water until the end of the U-tube is exposed. When the cup is filled with water, the water is forced up the inverted U-tube so that equilibrium is maintained in the cup. As…

Use this kit to explore a multitude of mechanical interations including Archimedes' Principle, Hooke's Law, the Law of Parallelograms, movement on an inclined plane, and more. Instructions included. Kit includes: 1 Weight box 1 Single-Scale with clip 2 S-shaped hooks 1 Wooden…

The Acceleration Motion Kit is used to study motion on planes and slopes. The kit consists of a 1 meter long horizontal aluminum track with a graduated 0mm to 900mm scale, three adjustable supports for the track, two photogates, and a level adjuster knob that is used to increase the slope. …

For performing experiments in conservation, velocity, elastic collision, acceleration and momentum. The set contains two high impact plastic cars with snap in wheels and two spring steel bumpers with rubber stopper assemblies. Each car has a recession for holding additional weight. The approximate…

Our Orienteering Compass is great for map work or when hiking. Specifications: Graduated in 2° increments, and features four scales Black bezel with easy-to-read print Has liquid-filled capsule, declination correction scale, luminous points, and 4X magnifier in base Acrylic base…

This 17-inch (43cm) skeleton model fits on a desk and rests on its stand. It includes all the major bones, such as the skull, rib cage, spinal column, humerus, radius, ulna, hand, pelvis, femur, tibia, fibula, and foot, as well as a partial circulatory system. Made of PVC plastic

Our Diaphragm accessory allows you to cycle through six different size apertures for light experiments: 2mm, 4mm, 6mm, 10.75mm, and 14.85mm. This accessory is designed to work with our Basic and Deluxe Optical Benches (#OPTBN-BSC and #OPTBN-DLX). PRODUCT WARNINGS WARNING: This…

These rubber balloons work perfectly to replace those found in our Deluxe Lung Model Apparatus. Size 9 inches. Sold in a pack 12.

This little, yet powerful motor is an ideal component for hundreds of electrical experiments and projects! Its motor housing is 23.8mm by 30.5mm with an overall length of 45mm (including the 2mm shaft). It operates on between 4.5 to 6 volts. Each unit also incorporates two 30mm-long red and black…

The pendulum wave demonstration is a cross between science and art. It demonstrates how mass accelerates and decelerates as a response to the force of gravity. Nine 1" diameter steel pendulums will form wave patterns as they fall in and out of sync with one another. Some minor assembly is required.…

The Serological Pipettes are used to transfer liquids in a laboratory. The sterile serological pipettes are individually packaged. They have a capacity of 50ml and are graduated by 0.5ml. They are plastic and graduated in black and have a color-coded band at the top for easy identification. Sold…

The Projectile Launcher is a teaching tool used for experiments with trajectories. The launcher features a spring-loaded trigger and an easy-to-use release mechanism that can be adjusted for tension. A protractor and plumb bob are fixed to the face of the apparatus for determining the angle of…

Use this set of nine cubes to investigate density by comparing cubes that are made of different materials but are the same size (2cm by 2cm by 2cm). Their materials are as follows: copper, brass, aluminum, iron, zinc, acrylic, plastic, wood, and cork. PRODUCT WARNINGS WARNING: This…

Our Object Screen is a circular, black metal screen with a 75mm diameter and 10mm central aperture covered in 1.5mm wire mesh. Use to experiment with light. This accessory is designed to work with our Basic and Deluxe Optical Benches (#OPTBN-BSC and #OPTBN-DLX). PRODUCT WARNINGS …

The digital force meter is ideal for addition and resolution of forces, as well as for experiments involving action-reaction laws and other physical phenomena. With a wide range of 2, 5, 10 and 20 Newtons, it virtually replaces four types of spring balances, making it perfect for a variety of…