United Scientific Supplies

Help students to investigate the force on an object in circular motion with this convenient kit. Through a series of simple demonstrations, students will better understand the relationship between the radius of the circular motion, the velocity of the moving object, and the external force required...

This pump features a painted steel barrel, steel valve assembly, and a wooden handle. Both in a out ports are equipped with hose connectors, for use with vacuum experiments as well as to generate pressure. Length: 14", barrel diameter 1"; shipping weight 1 Lb.

Clear polystyrene plate features 24 each 5/8" This well plate is an indispensable tool for conducting assays and culturing cells in lab settings. It features multiple wells, allowing for parallel processing of samples. Made from high-quality materials, it ensures compatibility with a wide range of...

The Laser Diffraction Kit lets students create, view, and measure diffraction and interference patterns. The kit includes two laser pointers - red and green - along with a convenient mounting base and a slide set of diffraction objects. Two of the included slides have various double slit patterns....

Polypropylene rack is designed to hold six Nessler cylinders. Flat lower deck is white to provide a reflective surface. Chemical and corrosion resistant rack can be autoclaved at 121°C (250°F).

This versatile spring scale can be used to measure forces using push or pull functions, or to weigh a suspended object from the large hook. Includes a zero adjustment screw and a metal suspension ring. Available in six color-coded sizes.

Pre-cleaned borosilicate glass test tubes without rims. Tubes can be used for hot or cold applications, are reusable, and can be autoclaved.

Nessler cylinders are used for comparison of color and turbidity between solutions or as reaction vessels. Made from borosilicate glass and calibrated to Class A standards. Include an optically plane bottom as well as markings for nominal stroke volume and halfway mark.

This benchtop microcentrifuge is ideal for quick spin-downs of microcentrifuge tubes. Includes a multi-rotor that accommodates twelve microcentrifuge tubes in 0.2ml, 0.5ml, 1.5ml, or 2ml capacities, or four 8-well, 0.2ml PCR strips. Safety lid with lock stops centrifuge quickly when opened. Includes...

These rugged autoclavable storage boxes are molded in polycarbonate, and can be used at temperatures of -150°C to 121°C. Designed to hold 100 each 0.5ml microcentrifuge tubes, or 64 each 1.5ml tubes. The numbered grid on transparent lid is keyed in one position to prevent misalignment. Lid...

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.

Demonstrate plate tectonic principles, plate boundary interactions and the geometry and relative motions of faulting of geologic layers using 3-D manipulative models. Versatile kit contains a Fault Model Set of 5 manipulatives and a Tectonics Sand Layer Model. Use the Fault Model Set to demonstrate...

This easy to set up, inexpensive device was designed by teachers in order to collect the correct proportions of hydrogen and oxygen from the electrolysis of water. Its unique design helps correct issues such as falling test tubes perched over unsteady electrodes and gases escaping due to poor...

Use the Happy and Sad Balls to explore polymer chemistry. One ball will bounce very high; the other ball will not bounce. A classic demonstration.

Designed to fit onto the top of our star and round base cryogenic vial closures. Provide quick visual indentification of specific vials for ease in organizing inventory. Compatible with all of our cryo vials except P60102 and P60103 skirted base cryo vials.

Reversible racks can be used for 0.5ml or 1.5ml capacity tubes. Both sides of the rack can hold up to 108 tubes, and feature alpha-numeric grid for inventory management. Included transparent lid can be used to cover either side to provide a clear view while protecting stored tubes. Autoclavable....

The United hand held generator offers features and quality similar to much more expensive brands currently offered in the science education market. This 6V DC Generator can deliver up to 400mA current. The generator comes equipped with a polarity coded plug in lead with alligator clips. The clear...

Made from Plate Glass, with carefully ground and polished optical survaces, and cleanly ground edges, these lenses feature a diameter of 38mm - 125mm and focal lengths from 50mm - 500mm.

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.

This air track is constructed of high quality aluminum alloy and has the advantages of being both lightweight and highly durable. Precision machining provides a smooth surface and high linearity. It comes with a comprehensive accessory package for experiments in linear motion. The track length is...

The 1660-point solderless breadboard is built with high-quality construction that can withstand repeated use. It includes color coordinates that are screen-printed for easy reference. This breadboard is perfect for investigating circuit designs and prototyping. It accepts most electronic components...

Polypropylene cross-shaped connectors with serrated ends are ideal for leak-proof tubing connections. Autoclavable.

The liquid convection apparatus is made from Borosilicate Glass and is bent into a rectangle with a filling funnel. To show the convection of heat in a liquid, simply fill it with a colored liquid and place a heat source at one of the bottom corners. Glass tube is 20 mm outer diameter bent into...

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 posts and an external zero-setting screw. Meters are not protected against prolonged or significant overload. Stackable for storage.