Our Lens Holder, 50mm can hold 50mm diameter lenses and mirrors for 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 including…

Economical stainless steel Vernier calipers with 125mm/5 inch capacity. Features inside and outside jaws, full length depth gauge, friction ruler and sliding lock for gauging. Graduated in millimeters and 1/16".

Set of 5 springs Each spring has a different constant Great for classroom activities Springs are 2" in length This set of five springs is great for in depth studying of the principles of Hooke's Law. Each spring has a different constant. For use with Hooke's Law Apparatus. The springs are 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…

A natural rock that contains traces of iron ore with natural magnetic properties.

Equilateral, 45mm sides hollow acrylic prism. Has one hole for adding fluids to study refraction and dispersion. Comes with a funnel and a stopper.

Understanding pendulum motion is fundamental to the study of vibrations and waves. This unique United Science Supplies kit includes everything necessary for a full exploration of the basic features of pendulum motion in a complete but economical set. The individual components are of proven design -…

This attention-getting demonstration of magnetic repulsion uses a clear acrylic plate that keeps a spinning axle oriented above magnets built into the base of the apparatus. With a simple twist of your fingers, you can start this levitating magnet spinning and kick start a classroom discussion. The…

The Heat System Physics Kit includes 54 components for 15 guided activities. With this kit students can explore common experiments such as Newton’s Law of Cooling, Specific Heat, and the Expansion of Solids, Liquids and Gases. Includes 15 experiment guides: Psychometric, The Hot Team Problem:…

  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,…

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…

A fine instrument for determining the radius of curvature of spherical surfaces such as mirrors and lenses. Its micrometer screw is graduated to measure displacement as small as 0.01mm. The instrument has two brass plates and three steel legs. A flat glass plate is provided for support while…

This clamp will attach to the rod of a lab support stand. It has three screw-type posts to attach up to three pendulums of your choosing. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including nickel and lead, which are known to the State of California to cause…

An insulated snap-on connector with 15cm red and black leads.

EQUILATERAL PRISM Triangular equilateral prism. Made of high quality, polished acrylic material 3" LENGTH Prism measures 3" (75mm) in length. Each face measures 1" (25mm) PHYSICS EXPERIMENTS Excellent for physics classrooms. Ideal for a variety of experiments in optics, light refraction,…

This Collection contains 20 Types of Basic Rocks Specimens of Igneous, Sedimentary & Metamorphic Rocks Types. The Rock Specimens include Basalt, Gabbro, Granite, Obsidian, Pegmatite, Pumice, Anthracite, Gneiss, Marble, Quartzite, Serpentine, Slate, Chalk Lumps, Conglomerate, Diatomite, Flint,…

Van De Graaff Generator that can be run on both a motor and a hand crank Motor has adjustable speeds and is compatible with 110/120V and 220/240V Hand crank up to 100kV Sturdy 6" x 8" base with both the components securely mounted Approximately 22" tall This Van De Graaff Generator can be…

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…

These four metal cylinders have equal volume but different mass to demonstrate variations in density and specific gravity. The cylinders are 13mm diameter x 50mm length. Included in the set are one each of aluminum, steel, brass, and copper. These are also called specific gravity cylinders or equal…

Set of equipment for studying the nuclear magnetic resonance of protons in hydrogen and fluorine and measuring the gyromagnetic ratio, Lande factor, and nuclear magnetic moment of these nuclei. Includes permanent magnet, oscillator, frequency counter, and power supply. Requires an oscilloscope. …

The Ultrasonic Grating Apparatus is both a unique demonstration of the interaction of longitudinal sound waves and transverse light waves and also a method for the precise determination of the speed of sound in liquids, which is otherwise difficult to do in the undergraduate lab. The core of the…

Complete set of all simple machines given above WDSM10 to WDSM21. Set of 12.

Using the Visual Scientifics Platform this state of the art equipment makes investigating the wave-particle duality easy to understand. Kit includes: - Mounted laser - 3 Diffraction Gratings - Slide holder - 2 Visual Scientific posts    Main Activities: -…

The Harbottle Pressure Globe helps students to understand the meaning of fluid pressure and pressure reduction. Simply place a balloon into the opening of the glass Harbottle and stretch the mouth of the balloon over the opening of the bottle. Blow into the balloon and, when it is fully inflated,…

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. Wires are connected to the screw-type binding posts. This knife switch is a double pole, double throw, single pole, double throw, single pole,…

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…

Balls sold individually and in a variety of sets. Choose from aluminum, brass, copper, cork, glass, lead, steel, wood, and zinc. Sizes include 19mm and 25mm. Pick from one of the following styles: drilled center hole, solid, and with hooks. Ball sets include: 42003-19: 19mm diameter with…

The clear plastic 6" / 15cm ruler is scaled in 1mm increments on one side.

We offer a variety of economical ceramic bar, disc, and ring shaped magnets. Magnets are upainted, except where noted.

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

These drilled balls are excellent for use as pendulum bobs or in impact and collision experiments. All drilled balls feature 3mm countersunk holes so pendulum cord knots can be recessed.