This is replacement tape for the Spark Timer (TKTMR). The Spark Timer is a recording device used to measure the velocity and acceleration of a falling or moving object. It sparks at uniform intervals, leaving marks on a paper tape. The distance between the marks on the tape are used to calculate…

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…

Use this set of nine cubes to investigate density by comparing cubes that are made of different materials but are the same size (2cm by 2cm by 2cm). Their materials are as follows: copper, brass, aluminum, iron, zinc, acrylic, plastic, wood, and cork. PRODUCT WARNINGS WARNING: This…

The Deluxe New York Balance with Support Stand is used to demonstrate the relationship between length of the lever arm, moment of force, and amount of force. The unit is designed to help students to understand the principles of torque and its properties. The plastic meter stick included with this…

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…

The Mechanical Wave Kit helps students explore standing wave patterns at different resonant frequencies. The Mechanical Wave Kit was designed to include everything needed to study wave patterns. This a replacement spring only, that measures .75mm thick wire x 30mm diameter x 60mm length, when compressed.

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.

  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,…

Hooke's Law states that the amount of elongation or bending of a spring is directly proportional to the force that is applied. This unit helps demonstrate this principle. Instructions included. Includes: 1 Sturdy base and rod 1 Testing spring 1 Metal scale 1 Indicator needle 1 Set…

Our 10-Level Conductivity Indicator can be used for quick comparisons of conductivity in solutions including, but not limited to, tap water, vinegar, baking soda solution, or varying concentrations of salt water. This device is very simple to use - just submerge both brass prongs in a solution,…

The Color Filters are used to study additive color mixing in a science classroom or home school. The color filters are made of gelatin material. Five different colors are included in the kit: red, green, yellow, orange, and blue. The kit is provided with a detailed and informative instruction guide.

Prism Smooth Polished Glass Surface Optically Clear Individually Boxed

We carry three variants of dual-function dynamometers made from durable plastic with steel hooks. With the push-rod at the top or the hook on the bottom, you can measure both push and pull forces. The hook also allows you to weigh small objects. Measurements are given in both grams and Newtons. …

The Ballistic Pendulum can be used to demonstrate the conservation of momentum with a spring gun, 3 balls with different mass, a pendulum block, and angular scale. Students can calculate the projectile's initial velocity and post-collision kinetic energy. It features an adjustable leveling screw,…

This clamp will attach to the rod of a lab support stand. It has three screw-type posts to attach up to three pendulums of your choosing. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including nickel and lead, which are known to the State of California to cause…

Galvanometers measure very small amounts of current or voltage in a circuit. Our meters are accurate to +/- 2.5% and have banana jack style binding posts.

The Mechanical Wave Kit helps students explore standing wave patterns at different resonant frequencies, longitudinal waves and the node and antinode points on the wave. The Mechanical Wave Kit was designed to include everything needed to study wave patterns. It includes a Sine Wave Generator…

The Magnetic Field Demonstration is a rectangular plastic housing that holds iron filings. The iron will react to any magnetic field that is introduced, allowing easy visualization of how magnetic fields interact with their surroundings. PRODUCT WARNINGS WARNING: This product can…

Mirrors are arguably the most used optical components. They appear in small laboratory experimental set-ups, industrial applications, and in physical science classroom experiments. These components utilize reflection to redirect, focus, and collect light. 24A00B437 This…

This kit has all the necessary components to explore standing waves. Instructions included. Includes: 1 Variable frequency generator 1 Spool of string 1 Support Stand 1 Steel rod 1 Power cord 1 Chladni Plate 1 Vibration generator 2 Connector cords 5 Weights 1 Fastening…

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.

Our Object Screen is a circular, black metal screen with a 75mm diameter and 10mm central aperture covered in 1.5mm wire mesh. Use to experiment with light. This accessory is designed to work with our Basic and Deluxe Optical Benches (#OPTBN-BSC and #OPTBN-DLX). PRODUCT WARNINGS …

These prisms are made from optically-clear acrylic. They have an equilateral triangle shape (25mm edges), and are boxed individually. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including ethyl acrylate, which are known to the State of California to cause…

Knife switches are used to manipulate how electricity flows through a circuit. The base and the handle of the switch are insulated to allow for handling. Wires are connected to the screw-type binding posts. This knife switch is a double pole, double throw, single pole, double throw, single pole,…

The Incline Plane Friction Set can be used for multiple demonstrations including the resolution of forces, uniform and accelerated motion, and potential energies. The wooden incline board can be set to any angle within 0° to 45°. Instructions included. Includes: 2 scales 3 boards (two…

Spring Scales are used to weigh loads and are used in physical science experiments as a basic accelerator. Spring Scales use Hooke’s law to determine the size of the force stretching the spring by measuring the displacement. The spring scale has a clear body that is graduated, a mounting ring…

Understanding and measuring wavelengths is an important subject in any physics class. 24A00B511 This is a Class II, Laser Pointer.  The green laser light has a longer wavelength of about 532 nanometers. The Laser Pointer is a high-quality pointer at an affordable…

Our Grating Holder optical bench accessory allows you to choose your own size of grating to cover the aperture in the middle of the holder. This accessory is designed to work with our Basic and Deluxe Optical Benches (#OPTBN-BSC and #OPTBN-DLX). PRODUCT WARNINGS WARNING: This…

Our ebonite friction rod can be used to experiment with and to observe friction. PRODUCT WARNINGS Our products are not toys . Use in a laboratory or educational setting only. Not for children 13 and under.

Our Candle Holder is meant to fix a candle to an optical bench to observe fire light in a controlled setting. This accessory is designed to work with our Basic and Deluxe Optical Benches (#OPTBN-BSC and #OPTBN-DLX). PRODUCT WARNINGS WARNING: This product can expose you to chemicals…

Our 6" by 6" Friction pads come in a variety of materials and are used to experiment with and observe friction. PRODUCT WARNINGS Our products are not toys . Use in a laboratory or educational setting only. Not for children 13 and under.

GSC International N-00002 DC Ammeter Digital with Connectors Range 3A,1mA. The 3A, 1mA Digital DC Ammeter with high accuracy is small and light enough to connect with any circuit. A 3 volt lithium battery is included. Two alligator clips are directly connected with the meter’s main body for…