Results 1 - 32 of 608



Aluminum Alloy Tuning Fork - Frequency 128 - Note C
Aluminum Alloy Tuning Fork - Frequency 128 - Note C
Made of 3/8 in. x 1 in. bar stock with smooth, aluminum turned handle approximately 1-3/4 in. long. This nonmagnetic tuning fork requires no plating and will not rust or corrode. The scale letter and frequency is stamped on the fork. Accurately tune..
Product Number: SB14261M

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Happy/Sad Ball Kit
Happy/Sad Ball Kit
Two rubber balls that look, feel, and squeeze the same - but try bouncing them! These intriguing inelastic and elastic collision balls are popularly called “happy and sad.” One ball rebounds normally while the other is as bounceless as a..
Product Number: SB33947M

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Pulse Glass
Pulse Glass
Designed for demonstrating that vapor pressure increases when temperature increases. Apparatus consists of two glass bulbs which are connected with a glass tube and contain a colored, volatile liquid. Holding one of the bulbs in your hand causes the eva..
Product Number: SA09087M

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Unmounted Optical Lenses - Double Convex 3.75 cm Diameter, 5 cm Focal Length
Unmounted Optical Lenses - Double Convex 3.75 cm Diameter, 5 cm Focal Length
An excellent unmounted lens for use with optical benches and other studies in optics. Made of high-quality optical glass, and has ground edges.
Product Number: SB10476M

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Flashlight Set
Flashlight Set
Set of two 6 in. long flashlights to fit in pocket, briefcase, purse, etc. Complete with wrist band. Requires two AA batteries included for each flashlight. Style may vary.
Product Number: SB31462M

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Marble Launcher
Marble Launcher
Stem
For your STEM curriculum.Grades 8-12. A fun way to learn about velocity and acceleration. Launch marbles at five different speeds. Safety guide printed directly on the hardwood marble launcher’s surface...
Product Number: SB48995M

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12-Piece Density Identification Set
12-Piece Density Identification Set
Grades 6-12.Set of 12 different material samples that have a variety of classroom uses. Introduce the idea of density, and challenge students to identify materials based on density measurements. The fact that some of the materials have ...
Product Number: SB47732M

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Viscosity Tube
Viscosity Tube
Demonstrate the mechanics of fluid by visually comparing the viscosity of four different liquids. Each tube contains a different weight liquid and a 3/8 in. plated steel ball. The balls are lifted just above the line on the tube with a magnet and then r..
Product Number: SB29011M

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Mallet
Mallet
1" diameter hard rubber ball, 1/4" wooden handle, length 8".
Product Number: SA01602M

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Economy Optics Kit
Economy Optics Kit
An entire optics set at a great price! Includes everything you need to demonstrate basic principles of light and color. Kit includes the following: double convex lens (glass, 38 mm dia.), double concave lens (glass, 38 mm dia.), plain lens (glass, 38 mm..
Product Number: SB31097M

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Unmounted Plane Mirrors - Square - 10 cm
Unmounted Plane Mirrors - Square - 10 cm
Flat, silvered acrylic mirrors for demonstrations and experiments in optics. Package of 12 mirrors. Dimensions may vary.
Product Number: SB16721M

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Violet Laser Pointer
Violet Laser Pointer
Use for far more than just pointing! The stunning blue-purple glow can be used for spectroscopy, fluorescence, microscopy, and more. The 405 NM wavelength beam has a power output of less than than 5 mW. Beam dimensions are 1 mm at aperture. Operatin..
Product Number: SB48473M

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Wall Coaster® Super Starter Kit
Wall Coaster® Super Starter Kit
Stem
For your STEM curriculum.#11;Grades 3-6. Turn your wall into a roller coaster! What makes the Wall Coaster® different? Regular marble runs are built from the ground up, like a building, and only include ...
Product Number: SB49964M

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Conductivity Bars
Conductivity Bars
Although all metals conduct heat, they do so at different rates. This set, aided by liquid crystal thermometers, demonstrates this. Contains steel, brass, aluminum, and copper specimens. Enclosed in a plastic housing. Grade 6 and up.
Product Number: SB46988M

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Wavelength and Spectrum Demonstrator
Wavelength and Spectrum Demonstrator
Discover how colors affect wavelengths and learn why red is chosen for stop in traffic signals with this fascinating device. Features 11 different color and wavelength LEDs mounted in a metal tube. With the help of a rotary switch on the top, eac...
Product Number: SB48327M

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Gas Law Apparatus with Temperature Gauge
Gas Law Apparatus with Temperature Gauge
Use this apparatus to experiment with the elastic properties of a measured quantity of gas. This unit makes the understanding of Boyle’s Gas Law easy and helps to show the relationship between the pressure, temperature, and volume of a gas that is..
Product Number: SB45488M

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Educational Diffraction Gratings
Educational Diffraction Gratings
Three diffraction gratings mounted on the same slide 100, 300, and 600 lines per mm. Individual gratings measure 1/2 in. x 3/8 in. Slide measures 3 in. x 1-1/4 in.
Product Number: SB45751M

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Green Laser Pointer
Green Laser Pointer
Grades 6 and upA green diode laser pointer with a maximum power output of 5 mW (Class IIIA) and a 532 nm wavelength. Green laser beam is 30 times brighter than the red laser beam of the same power because of the increased sensitivity of th...
Product Number: SB43423M

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Mirror Pack - Ten Concave/Convex Mirrors - 4" x 4" - Package of 10
Mirror Pack - Ten Concave/Convex Mirrors - 4" x 4" - Package of 10
Flexible, plastic mirrors for use in all types of reflection and symmetry work. Double-sided mirrors cut easily with scissors. Grade K and up.
Product Number: SB28627M

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Wall Coaster® Extreme Stunt Kit
Wall Coaster® Extreme Stunt Kit
Stem
For your STEM curriculum.#11;Grades 3-6. Turn your wall into a roller coaster! What makes the Wall Coaster® different? Regular marble runs are built from the ground up, like a building, and only include ...
Product Number: SB49963M

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Nasco Classroom Olympiad Part 2
Nasco Classroom Olympiad Part 2
Stem
For your STEM curriculum.More great games! Keep the spirit of Olympic competition alive as your students learn the Scientific Method and cooperative learning skills. Nine new events: sailing; fettuccine physics; estimation guesst...
Product Number: SB42632M

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Nasco Classroom Olympiad Part 1
Nasco Classroom Olympiad Part 1
Popular Choice Stem
For your STEM curriculum.#11;Teacher created. Let the games begin! Nasco’s Classroom Olympiad is designed to get you and your class started on classroom science activities that will enhance your curriculum....
Product Number: SB31527M

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Model Bridge Classroom STEM Pack - Balsa
Model Bridge Classroom STEM Pack - Balsa
Popular Choice Stem
For your STEM curriculum.#11;This popular STEM activity is an exercise in creative problem solving. Middle school and high school students will be challenged to design and construct their own wooden bridges, then enjoy the thrill...
Product Number: SB23609M

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Free Fall Tube
Free Fall Tube
Students may expect that lighter objects experience a lesser acceleration than heavier objects. That idea is supported by observing that when a piece of paper and a pencil are dropped simultaneously from the same height, the pencil reaches the ground fi..
Product Number: SB23861M

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Pulley Set
Pulley Set
Set of two. Double and single, 2 in. diameter. Excellent quality, free running. Made of rigid plastic with metal block and swivel hook top and bottom. Includes 30 ft. roll of nylon pulley cord.
Product Number: SB16150M

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Economical Laser Pointer
Economical Laser Pointer
A handy, low-cost, pen-sized laser pointer for many applications - education, scientific research, or everyday life! Features a 675 nm wavelength beam, an output power of approximately 3 mW, and radiant power less than 5 mW. Beam diameter is..
Product Number: SB23600M

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Double-Walled Calorimeter with Electric Option
Double-Walled Calorimeter with Electric Option
A calorimeter with a double-walled cover will minimize heat loss. The inner and outer vessels are made of aluminum. The calorimeter has a stirrer and support for the inner vessel. Item is now interchangeable and can be used with or without electrici..
Product Number: SB13895M

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Bicycle Wheel Gyroscope
Bicycle Wheel Gyroscope
Dramatically demonstrate angular momentum, torque, and gyroscope precession with this rubber, 20 in. dia. bicycle wheel. Students find themselves personally involved in this demonstration as they try to move the wheel’s axis of rotation. The alumi..
Product Number: SB21409M

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New York Demonstration Balance
New York Demonstration Balance
This balance is designed to demonstrate the principle of operation and mechanical advantage of levers. The fulcrum stand incorporates a cast iron base for stability. The weights are nickel plated brass hooked above and below so the weights can be hung i..
Product Number: SB16550M

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Quantitative Spectroscope
Quantitative Spectroscope
Popular Choice
Reveal the hidden nature of color and visible light with this durably constructed, economical spectroscope. Begin investigating bright line spectra to unveil the atomic origin of light the instant you pick up this hand-held spectroscope. Contrast th..
Product Number: SB33518M

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Gear Set
Gear Set
This set of 300 gears offers 40-, 30-, and 20-tooth gears (with a 3/16 in. bore to accommodate the most popular dowel size) and a 12-tooth gear with a push-fit to 2 mm motor shafts.
Product Number: SB26469M

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Lenses Demonstration - 50 mm Diameter - Set of 6
Lenses Demonstration - 50 mm Diameter - Set of 6
Contains plano-concave, convex-concave, double-concave, concave-convex, double-convex, and plano-convex lens types. Comes with ground safety edges.
Product Number: S00169M

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