A Tuning Fork Mallet is used to strike a tuning fork to produce a sound. This mallet has a rubber bulb top and a 6 inchplastic handle.

The kit includes the pieces to build a simple balance demonstration. Consists of a knife edge clamp, meter stick, metal support and cast iron base. The knife edge clamp is often used on a balance demonstration to hold a meter stick or for suspending a weight from a meter stick. Made from nickel…

Demonstrates the flow of convection currents in a gas. Place a small, lit candle under one open chimney, the use touch paper or a wood splint to introduce smoke into the opposite chimney. The heat from candle will cause the air to flow and the smoke can be observed traveling down into the box and…

A visual measurement of impact created by collision against a stationary object. The car is fitted with a spring scale and slide that is displaced on impact. The slide remains in its displaced position until reset. The student can takes direct readings from the scale to measure the force. The top…

Archimedes' principle indicates that the upward buoyant force that is exerted on a body immersed in a fluid, whether fully or partially submerged, is equal to the weight of the fluid that the body displaces. The Archimedes' Principle Apparatus is perfect for attempting repeat experiments of this…

The Ballistics Car demonstrates that the horizontal motion of an object is unaffected by forces which act solely in the vertical direction. The car's low-friction wheel bearings allow it to coast at an essentially constant speed. If the spring in the gun is triggered while the car is coasting, the…

This semi-circular refraction tank has a printed protractor on it to observe and measure refraction. Instructions included. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including styrene and lead, which are known to the State of California to cause cancer,…

Our flat electrodes are 18mm by 100mm, or approximately .75" by 4". The metal electrodes are 1mm thick, while the carbon electrode is 6mm thick. This set contains twelve electrodes – two zinc, two copper, two steel, two aluminum, two nickel, and two carbon. PRODUCT WARNINGS …

The meters are ideal for numerous electrical and laboratory experiments. Full scale and fully enclosed, with accuracy +/- 2.5%, and a 7.5 cm scale length. Color Coded. Supplied with binding posts and external zero-adjustment.

The Variable Frequency Generator can transform the electrical current coming from your wall outlet into a consistent, oscillating frequency within a range of 15Hz to 320Hz. This product is often used in wave demonstrations in a physical science classroom. It works well with GSC International…

This 3“ metal ball will float in cold water and sink in hot water. Use it to demonstrate the effects of temperature and mineral content on water’s density. Instructions included. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including lead, which are known to the…

Turbidity is the measurement of the cloudiness of a fluid. To measure turbidity using this apparatus, fill the tube with water and drain it slowly by limiting flow with the pinch clamp on the hose. Stop draining once the black and white Secchi disk on the bottom of the tube becomes visible, and…

Our flat metal electrodes are 18mm by 100mm (approximately 0.75" by 4"). We carry electrodes made from seven different metals: aluminum, brass, copper, iron, zinc, nickel, and tin. Use them in your own experiments with electricity.   PRODUCT WARNINGS WARNING: …

This unit helps students understand the Combined Gas Law and describes the relationship between the pressure, temperature, and volume of a gas. The air in the unit is compressed by turning the handle, and the volume can be read on the graduated scale printed on the cylinder. The pressure can be…

The connector cord set have Cross-Patch/Stacking Banana Plugs on one end and a Alligator Clip on the other end. The alligator clip has an insulated sleeve for safety and the cords are flexible and durable. The set includes 6 cords; 3 black and 3 red.

These Mini Grabber and Spade Terminals are designed to be used with our individual  and  classroom  Electra Dough Kits , but can be used for a variety of different purposes. The leads come as a pair of 2, and are RoHS compliant. Colors may vary. PRODUCT WARNINGS Our products are not…

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.

Contains Hollow Friction Rod, Solid Friction Rod, 1/2 Ground Friction Rod, Ebonite Rod, Wool Pad, Silk Pad, Faux Fur Pad, 3-Balloons and 10 feet of String. Instructions included.

The deluxe Charles' Law Apparatus is used to study the degree of expansion that is directly proportional to the increase in temperature. This Charles' Law Apparatus enables students to precisely determine the volume coefficient of expansion of air throughout a temperature range. Instructions …

  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 pendulum wave demonstration is a cross between science and art. It demonstrates how mass accelerates and decelerates as a response to the force of gravity. Nine 1" diameter steel pendulums will form wave patterns as they fall in and out of sync with one another. Some minor assembly is required.…

This set includes 0.5N, 1N, 2N. 3N, and 5N springs. It can also be used as a supplemental product with the Hooke's Law Apparatus. Springs stretch by 2 cm with a load of 0.5 N, 1 N, 2 N, 3 N, and 5 N, respectively. Each spring has a hook to support a weight hanger and a red indicator arrow.

This unit demonstrates the principles of momentum and kinetic energy in collisions. It's supplied with both wood and metal balls, string, a table clamp, and a guide. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including nickel and lead, which are known to the…

Electroscopes are used to detect and roughly measure the electric charge on an item. This electroscope has a round case, a free-spinning pointer, and a gauge. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including benzene, nickel, and lead, which are known to the…

Jolly's Photometer consists of a piece of aluminum foil sandwiched between two acrylic blocks and two eye pieces on either side of the accessory. These eye pieces allow you to observe the intensity of two light sources that are shining on either side of the foil. This accessory is designed to…

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…

Studying waves in physics class can sometimes be difficult for students to conceptualize. This 3" diameter flat spring steel apparatus can make visualizing wave propagation much easier. The plated spring can be stretched across the room allowing the entire class to witness the wave traveling back…

This product is often used to demonstrate principals of conservation of energy and simple machines. The pulley is constructed of plastic with a steel rod and roller bearing hub. Step sizes of the pulley are 1.5”, 2”, 2.5” and 4”. It is easily connected to a support stand with a right-angle clamp. …

Our Hall's Car is a plastic car with a recessed area for holding weights while experimenting on an incline plane. Made with molded plastic wheels that snap into place. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including styrene, which are known to the State of…

Help students to visualize and grasp Newton’s Second Law of Motion! This sturdy unit demonstrates that a horizontally projected ball and vertically dropped ball land at the same time. The spring device can propel a ball up to 48 inches from its starting point. It comes with a detachable rod for…

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…

This single pulley is attached to a clamp that can attach it to a table. Both the pulley and clamp are made of cast metal. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including nickel and lead, which are known to the State of California to cause cancer, birth…