Made from plate glass about 2mm thick with highly silvered back.

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…

This economy Hall’s carriage is perfect for demonstrations and investigating principles such as Newton’s laws, acceleration, velocity and friction. This economy Hall’s carriage has a durable plastic body with a roomy well for additional masses (not included). The hole…

This mineral test kit is useful for rock, mineral and fossil identification. Kit includes: Hardness scale, dropper bottle, hand lens, glass streak plate, black streak plate, white streak plate, cermaic bar magnet, nail and penny.

Build your own series circuit using the handy Create-A-Circuit-Kit. It comes complete with a "D" cell battery holder, a knife switch, two miniature light bulbs, two lamp holders, and four connector cords. Instructions are included.

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.

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".

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…

Painted Red and supplied with a keeper. Available in 3"; (left photo) or 1"; (right photo)

Glass lens is made of polished optical glass. 24A00B457 This double-concave glass lens measures 75mm in diameter and has a focal length of 20cm. Sold in a pack of 20 lenses. 24A00B458 This double-convex glass lens measures 75mm in diameter and has a…

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…

Single, solid density cube with hook and stamped with element for easy identification Measures 20mm cubed. Including the hook, the cube measures 1.5" in height Excellent for physics classrooms. Density Cubes have a wide range of educational applications for all grade levels, including…

This attractive and economical Stirling Engine is both engaging and a great educational tool. It runs by exploiting the heat flow generated by the small temperature differences between room temperature and a container of hot water or ice. The Stirling Engine is an External Combustion Engine (the…

This life-sized skull model is excellent for introductory anatomy courses. The model shows excellent detail with a removable molar, incisor, and canine tooth for further study of the tooth roots. The mandible is spring mounted and the sectioned calvarium is detachable.

Tuning forks made from alluminum alloy. The frequency and leter scale is stamped on each fork.

This four-digit timer is designed to be used with air tracks, free fall apparatus, and other equipment. It is microprocessor-controlled and offers eight programmed functions to record counts, time intervals, periods of oscillation, accelerations, acceleration due to gravity, and velocities in…

These blocks demonstrate the density of four different materials-aluminum, brass, steel, and copper. Each cube is 3.2 cm and has a hook. Specification sheet included.

Use this apparatus to explain Ampere's rule. This demonstration consists of a heavy brass wire attached to a transparent plastic base. It comes with six small compasses and one larger compass. To demonstrate Ampere's rule using this apparatus, arrange the compasses around the wire, attach the wire…

This versatile multimeter includes AC voltage, DC voltage, DC current, continuity, resistance, transistor and battery test modes. Features an easy-to-read 3.5” digital LCD display. Supplied with two 24 in. 18 gauge test leads. Requires one 9V battery (included).

Glass thermometer with red Toluene solution is mounted on a plastic backing card. Range is -40° to +50°C .

Acrylic or Flint Glass equilateral refraction prism, measuring 75mm long by 9mm thick.

Equilateral prisms, made from high quality clear acrylic sheet with highly polished surfaces.

Equilateral prisms, made from high quality clear glass sheet with highly polished surfaces.

This large van de Graaff generator uniquely offers alternative drive modes, either hand-cranked or motor driven. Excellently constructed, the generator reliably delivers charge and sparks 10cm long and more immediately on setting it in motion, even under high humidity conditions. In hand-cranked…

This rod-mounted single, plastic pulley is attached to a metal clamp with a rod that is 8mm in diameter. The clamp can attach to any table up to 2.5in. thick. The 2in. diameter pulley can be adjusted by loosening the 8in. long rod and retightening it once it is in the desired position. The height…

This device demonstrates the generation, propagation, reflection, interference, and diffraction of waves. It comes with all accessories necessary for these experiments. A 6VDC power source and an overhead projector are required (not included). Instruction manual included.

PRODUCT DIMENSIONS Pully demonstration set measures 32 inches x 7.8 inches when fully assembled. NUMEROUS EXPERIMENTS This pully demonstration apparatus is capable of showcasing a variety of beginner and advanced-level physics concepts. SAFETY & HANDLING Masses are heavy, and injury can…

Using the Visual Scientifics Platform this state of the art equipment makes learning Newton's laws more interesting than ever by having students use technology they love, their smart phone. This kit contains: - Release mechanism - Ball - Landing pad (Photogate and sensor not…

These foam calorimeter cups have excellent insulating properties so you can investigate thermal energy with minimal loss to the environment. The lids have holes for inserting a thermometer or temperature probe. Outside Dimensions Height: 4.25” Diameter: 4” Inner container: Height: 4” Diameter 4”…

Magnifying glass, ideal for both reading and physics experiments Lens measures 4" (100mm) in diameter Unbreakable plastic mount with handle Total length measures 8.5", with lens frame measuring 4" and handle measuring 4.5" Magnifying glass, ideal for both reading and physics experiments. Lens…

The disposable aluminum pan holds a flexible plastisol pad that is durable and easily cleaned. The dissection pan and plastisol pad are used for dissection activities in classrooms.