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…

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…

Understanding and measuring wavelengths is an important subject in any physics class. 24A00B511 This is a Class II, Laser Pointer.  The green laser light has a longer wavelength of about 532 nanometers. The Laser Pointer is a high-quality pointer at an affordable…

Teasing needles are used to manipulate small samples. These long, white plastic handles and are available with straight and bent tips. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including styrene and lead, which are known to the State of California to cause…

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…

Our flat electrodes are 18mm by 100mm, or approximately .75" by 4". The metal electrodes are 1mm thick, while the carbon electrode is 6mm thick. This set contains twelve electrodes – two zinc, two copper, two steel, two aluminum, two nickel, and two carbon. PRODUCT WARNINGS …

The Mechanical Wave Kit helps students explore standing wave patterns at different resonant frequencies. The Mechanical Wave Kit was designed to include everything needed to study wave patterns. This is 0.5mm thick x 1 meter long string which is a replacement part used in the Mechanical Wave Kit.

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

Sold by the dozen.

These Mini Grabber and Spade Terminals are designed to be used with our individual  and  classroom  Electra Dough Kits , but can be used for a variety of different purposes. The leads come as a pair of 2, and are RoHS compliant. Colors may vary. PRODUCT WARNINGS Our products are not…

The Color Filters are used to study additive color mixing in a science classroom or home school. The color filters are made of gelatin material. Five different colors are included in the kit: red, green, yellow, orange, and blue. The kit is provided with a detailed and informative instruction guide.

A visual measurement of impact created by collision against a stationary object. The car is fitted with a spring scale and slide that is displaced on impact. The slide remains in its displaced position until reset. The student can takes direct readings from the scale to measure the force. The top…

This density rod set can be used to study the relationship between both mass and density. The five rods are equal mass. The five different materials are PVC, brass, polyethylene, aluminum and nylon. All rods have a diameter of 12mm but vary in length. PRODUCT WARNINGS WARNING: This…

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…

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…

These packs of ultra-thin aluminum foil pieces are sold to replace worn out foil in many electroscopes or to create your own at home. Available in packs of 12 pieces or cases of 120 pieces. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including lead, which are…

A tuning fork is an acoustic resonator. When struck it produces several tones, a fundamental and a harmonic. The tone is primarily determined by the length of the tines. Longer tines vibrate more slowly and produce a lower tone. This tuning fork can play the note C at 256 Hz.

This unit demonstrates the principles of momentum and kinetic energy in collisions. It's supplied with both wood and metal balls, string, a table clamp, and a guide. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including nickel and lead, which are known to the…

Electra dough allows students to play with materials that are fun, non-threatening, and familiar, all while learning the basic concepts of electrical circuits. This conducting dough, as the name implies, can conduct electricity to form any circuit that you can mold. Our dough is natural,…

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…

The Ballistic Pendulum can be used to demonstrate the conservation of momentum with a spring gun, 3 balls with different mass, a pendulum block, and angular scale. Students can calculate the projectile's initial velocity and post-collision kinetic energy. It features an adjustable leveling screw,…

This Law of Resistance Kit comes with everything you need in order to experiment with the resistance of electrical current through different types and sizes of conductor wires. This kit includes two digital multimeters that come with 2 patch cords each, 4 Connecting cords with banana ends (2 Red…

These pulleys are generally used as demonstrations in education, but they can also be used as a tool for relatively light items. 24A00B361 This is a cast metal pulley, 50mm diameter with a single groove.  The pulley has a hook at the top and bottom of the…

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. PRODUCT WARNINGS WARNING: This product can expose…

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

The polypropylene Buchner funnels are two-piece, lightweight, and easy-to-clean. The top portion snaps into the bottom forming a vacuum tight seal. The funnel has an opening with an inside diameter of 90mm. And they are fully autoclavable.

Five different metal spokes, aluminum, steel, brass, copper and nickel, extend from a center hub, and are connected to a wooden handle. The hub is heated and the students watch as wax falls from each spoke in the order of conductivity.

The Thermal Generator Experiment demonstrates the Seebeck Effect and the Peltier Effect. The Seebeck effect is a phenomenon in which a temperature difference between two dissimilar electric conductors or semiconductors produces a voltage difference between those two substances. This happens…

Our round glass convex/concave mirror is 7.5cm in diameter and has a focal length of 20cm.Our round glass convex mirror is 7.5 cm in diameter and has a focal length of 7.5 cm.

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…

GSC International N-00002 DC Ammeter Digital with Connectors Range 3A,1mA. The 3A, 1mA Digital DC Ammeter with high accuracy is small and light enough to connect with any circuit. A 3 volt lithium battery is included. Two alligator clips are directly connected with the meter’s main body for…