United Scientific Supplies

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 -...

Cast iron bases with gray enamel finish. The base is 3mm thick with a welded plate on the mounting hole. This gives the support rod 10mm of screw support, which is three times thicker than other traditional stands. The support rod includes an 80mm long rod to provide more torque when securing the...

These superior quality, yet economical prisms and lenses can be used to teach a wide variety of optical principals. This set is housed in a wooden case and includes a detailed teacher activity guide.

Sturdy plastic impact car features a graduated spring scale and a slide that is displaced on impact against an obstacle. Includes activity guide.

Demonstrates how the lungs are filled and emptied with air through contraction and relaxation of the diaphragm muscle. The two balloons act as the lungs and the rubber sheet acts as the diaphragm. Pulling the rubber sheet downward created pressure within the chamber causes the balloons to expand....

United Scientific, internally threaded, Screw Cap, 2D tubes are the ideal consumable for rapid processing of biological samples. Each tube comes with a 2D barcode (bottom of vial), and 1D barcode (side of the vial). They provide time-savings and accurate organization and tracking of...

This is a simple and economical type of electrolysis apparatus. Platinum electrodes are attached to insulated connecting rods which are attached to binding posts mounted on a non-conducting support. The support rests across the top of a battery jar (not included) and has two clips that each hold an...

These unglazed black streak plates are 1” x 2” in size and are for use in hardness testing of rocks and minerals.

Unbreakable plastic set of five metric measuring spoons. Includes the following: 1.25ml (1/4 tsp), 2.5ml (1/2 tsp), 5ml (1 tsp), 7.5ml (1/2 tb sp) and 15ml (1 tb sp).

An ideal starter set for any laboratory, this set contains low form beakers, Erlenmeyer flasks, and Class A graduated cylinders. Borosilicate glass is designed to give the best combination of thermal shock resistance and physical strength. Features heavy-duty rims and graduations in durable white...

Tall form crucibles include lids. Crucibles are glazed on inner and outer surfaces except for the outside bottom and rim. Important properties of United porcelainware include: Thermal Shock Resistance - average coefficient of expansion from 20° C to 200° C is 3.56 x 10-5, gradually...

Child Size Stethoscope offers an opportunity for students to hear their own heartbeats. Sized for smaller students Allows students to hear their own heartbeat

Optically true glass, with scratch-resistant copper back silvering plain spherical mirrors.

Rugged, autoclavable centrifuge tube boxes can be used at temperatures of -90°C to 121°C. Racks hold 36 each 15ml tubes, or 16 each 50ml tubes, and feature a clear lid for easy identification of contents.

See-Through Sally™ provides a memorable visual aid for teaching human anatomy. This set consists of 12 spiral-bound anatomy charts, each representing a different area of the body, mounted on a rigid metal frame and floor stand. See-Through Sally is arranged according to both how the body...

Capture water samples from specific depths with this clever tool. The unit is made from impact-resistant PVC, with soft rubber seals that hold up to 1.5 liters of liquid. A unique design allows for hassle-free sample collection: when the desired depth is reached, students simply jerk the attached...

This instrument is an enhanced version of our popular Intermediate Spectrometer.  Its larger 30mm diameter optics give brighter line images and make precise measurements easier.  The optical focusing system has also been refined and the instrument retains the same premium features as the...

These white polypropylene slide mailers included hinged covers and nolded-in dividers to securely hold 3" x 1" microscope slides.

United brand bottle top dispensers offer high accuracy at economical prices. Each dispenser is individually calibrated and certified in an ISO 17025 accredited laboratory in accordance with ISO 8655 standards. Five adapters are included with each unit for use with a wide range of bottle sizes. All...

This large motion cart is designed to explore and test different motion topics. The cart body is 12” long and 2” wide, providing ample experimentation space. Friction-reducing bearings allow the plastic wheels to roll smoothly. The front of the cart has a hole for attaching a string,...

The Hall Effect is the generation of a side-to-side voltage in a conductor or semiconductor carrying a current when it is placed in a magnetic field. The effect is widely used in magnetic field sensors. It is associated with several well-known systematic errors, some of which can be eliminated by...

The STEM Mechanics Master set is the ultimate combination of the main subjects of Simple Machines and Physics, including Levels, Pulleys, Gears, Linkages, Newton’s Laws, Energy conversion, Solar Power and Structures. The patented geometry of ENGINO® components allows connectivity to all...

A convenient glassware assortment designed for general laboratory use. A great value! Includes twelve 30ml Barnes Dropping Bottles with dropping pippettes and one each of the following: 5 piece Beaker starter set, 9" Beaker Tongs, 5 piece Erlenmeyer Flask set, 10ml Hex Base Cylinder, 25ml Hex...

Manufactured of polypropylene, these autoclavable boxes are stackable for sample storage in 1.5 to 2.0 microtubes and 1.0-2.0ml crygenic vials. Boxes can be used at temperatures from -90°C to +121°C. Boxes feature a hinged lid connected to the base and a locking system to ensure secure...