The Solar Kit offers a convenient introduction to the conversion of solar light energy into electrical energy. The conversion is carried out by a photoelectric panel, and three “consumers” are included to demonstrate the use of the electrical energy; an LED shows the conversion back to…

This Hall's carriage has a durable plastic body with a roomy well for additional masses (not included). The machined aluminum wheels and axles are mounted on hardened steel cone bearings for minimum friction and long life. For use with all types of inclined plane. Shipping weight: .30 Lbs.,…

Constructed of anodized aluminum, with steel hooks, this spring scale is extremely durable. Available in seven color-coded sizes.

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

Eight-part full-sized brain is molded from PVC plastic and hand-painted to show lobes. Parts of the brain are held together by embedded magnets. Includes over 50 labeled structures of the brain. Mounted in a rotatablemetal wire harness on a plastic stand. Includes a fold-out lam inated color guide…

This handheld device provides a qualitative visual indicator of the conductivity of different solutions, acids or salts. Two brass probes can be touched to a solid substance, or immersed in a liquid, to show conductivity on green LEDs that range from 1 to 10. Each probe is 53mm long with a diameter…

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 device can be used as a classic standard calorimeter or as an electric calorimeter. Made of aluminum and plastic, the calorimeter has a diameter of 10cm, height of 11cm, liquid capacity of 175ml, and a heat capacity of 25J/°C. Electrical requirements are 6V DC, up to 2A.

Based on proven designs, this updated Boyle’s Law Apparatus permits a quantitative verification of Boyle’s Law to be quickly and easily performed. The results are reliable and more convincing than measurements obtained from a simple syringe-based apparatus. The air sample is…

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.

Superior version of the classic device for investigating electromagnetic induction—the best we have seen! Primary and secondary coils are wound on robust molded formers fitted with shielded banana jacks, plated iron core has a molded handle for accurate positioning in the coils. Primary coil…

Made from clear acrylic. One plane surface is frosted.

Constructed of clear acrylic with highly polished surfaces, these prisms are ideal for projecting a clear, sharp spectrum. Set of Right-Angled Prisms consists of 25mm, 50mm, and 75mm long prisms.

Glass prepared microscope slides, supplied in a wooden case.

This transparent overflow can is graduated to 125ml and includes an attached spout. Made of clear acrylic, the can measures 5.5cm I.D. x 7cm high with a wall thickness of 3mm.

This complete set includes an inclined plane with a pulley and protractor, a Hall's carriage, a hanging pan to hold the desired weight, two wooden boards of different sizes, and a metal plate. The set is used to demonstrate the resolution of forces on an inclined plane, uniform and accelerated…

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…

Flexible, double-sided, acrylic mirrors.  Various sizes and assortments are available. 

Optically true glass with scratch-resistant copper back silvering individual glass mirrors ideal for a variety of optics experiments. Focal lenghts available from 25mm - 300mm.

This convenient free fall apparatus for measuring the acceleration of gravity has a 150 CM fall length. It comes with an electromagnetic ball release, a pair of photogates on a long cable harness, two steel balls, a plumb line, a catcher , and an instructional manual. Requires the digital timer…

This robustly constructed inertia demonstrator works reliably every time and is a great improvement on traditional versions of this classic experiment. A steel ball rests on a thin metal card on top of a pillar, and a spring-loaded catch is mounted next to the pillar. When the catch is released, a…

Polished Flint Glass or Acyrlic Right Angle Refraction Prism.

This Collection contains 20 Types of Specimens, (10 Rocks Specimens of Igneous, Sedimentary& Metamorphic Rocks Types & 10 Minerals Specimens). The Rock Specimens include Some of the following Basalt, Granite, Pumic, Gniess, Marble, Quartizite, Serpentine, Bituminous Coal, Lime Stone, Sand…

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

This motor generator demonstrates both shunt wound, and series wound connections for motors and generators, and can be used with AC or DC supplies. Motor is easily dismantled to change the configuration. Requires Low voltage AC/DC Power Supply (not included)

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…

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

Sturdy support for meter stick demonstration balances and torque experiments. The cast metal support is 18.5 CM high. Requires knife-edge clamps, slotted weights and hangers, and a meter stick. Shipping weight: 0.5 Lbs., dimensions: 7" x 3" x 3".

2"; long, plain, chrome plated alligator clips with excellent conductivity. 2"; long, with insulated sleeve, chrome plated alligator clips with excellent conductivity. Pack of 10, five each 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…

We have designed a speical stand to replace the pencil, for hands-free demonstration. Magnets are in plastic cases, to reduce breakage. Set contains 5 brightly colored magnetic rings, and the plastic stand, in a cardboard storage box.

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