School Purchase Orders
We accept school purchase orders. Please fax in your PO# to 970-484-1198
School Purchase Order Numbers require a fax copy of original P.O. to be sent to our fax number: if you are paying with a credit card, then continue to place the order online.
MSDS sheets can be found on our home page by clicking on the MSDS link.
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LOOP THE LOOP TRACK
Loop the Loop Track
Demonstrate the transformation of potential energy into kinetic energy in a fun and interesting way! Challenge your students to calculate the minimum height that the steel ball can be rolled down the track and still complete the loop without breaking contact with the track. The unit measures 420mm x 100mm x 430mm. Instructions provided. |
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MASS SET STACKING ROUND PLASTIC
Exellent for teaching weighing concepts!
Mass Sets in both square and round shapes. Molded from durable plastic with recesses so the masses are stackable. They are also color coded to correspond with the velue of each mass. The weight is also molded into the top of each piece. |
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Mass Force Demonstration
Mass Force Demonstration
NEW LOOK! - Rest the plastic ball on top of the plexiglass square that is set on the vertical post. Release the spring and the square shoots out. The ball falls into the concave recession in the post, remaining at rest on top of the post as if nothing happened. |
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Force and Reaction Fan Car
Force and Reaction Fan Car
This Fan Car demonstrates the difference between force and mass. Can be used to demonstrate friction in combination with an incline plane. |
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Small Collision Ball Apparatus
A great apparatus for demonstrating Newton's Third Law of Motion and the principle of Conservation of Momentum. The new design provides for better results, stability and quality. |
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Magnetic Suspension Horizontal Rotor
Magnetic Suspension Horizontal Rotor
This device demonstrates many phenomena of physics. Place the pointed end against the glass inset and gently twirl. |
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BALANCE DEMO N.Y.
New York Demonstration Balance - A quick and effective way to help students comprehend the relationship between length of the lever arm, moment of force, and amount of force! When they adjust weights on the lever to establish equilibrium students will observe the law of torque and its properties. Consists of a 50cm meter stick, stand, three knife-edge clamps, one 50 gram hooked weight and one 100 gram hooked weight. ((19-1/2" x 3-3/4" x 6-1/2" 1.6Ibs). |
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21ST CENTURY NEW YORK BALANCE
21st Century Balance
A new version of this classic teaching tool!
What makes this unit so special is an internal sliding
weight mechanism that allows you to neutralize all
factors after the fulcrum and positions of force have
been established. Demonstrates levers, momentums,
and the principles of mass measurement more
accurately than previous versions of this balance.
(20" x 8"x 1-1/2"; 5lbs). |
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SECOND LAW OF MOTION
Newton's Second Law of Motion
Helps 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. This spring device can propel a
ball to 48" from its starting point. With a detachable rod for clamping to a table or stand. Instructions provided. (12" x 4-1/2" x 2"; 1.21Ibs). |
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BALL SET FOR SECOND LAW APPARA
Replacement balls for use with Second Law of Motion
Apparatuses. 3/4" Aluminum, 1 Solid and 1 with hole.
(1" x 2" x 1-1/2"; .22Ib). |
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ECONOMY SECOND LAW OF MOTION
Second Law of Motion
Economy Demonstrate the Law of Motion with a device that's kinder to your budget! Made from an aluminum channel that is clamped to a table top. When the unit is pulled back and released, one ball will be projected horizontally and one will drop vertically. However, both balls will land at the same time. (10-1/2 x 1 x 1.77Ib). |
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BALANCE DEMONSTRATION STAND
Balance Demonstration Units
Helpful instruments for teaching the basic but tricky-to-explain principle of leverage! |
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FULCRUM HOLDER
Fulcrum Holder
The metal support and cast iron base only. (3-3/4"" x 3-3/4" x 6-1/2"; 1.1Ibs). |
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PENDULUM LAW DEMONSTRATION
Pendulum Law Demonstration
Excellent for student exploration of the principles of the pendulum and acceleration due
to gravity! This apparatus serves two learning purposes as it allows students to study both
pendulum and gravity principles. The pendulum consists of two 1" steel balls and one 1"
wood ball, each attached to a piece of string; a pendulum clamp which holds them in
place; a sturdy wood support and base. Instructions included. |
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SHOCK PENDULUM APPARATUS
Ballistic Pendulum Apparatus - Great for demonstrating the Law of Conservation of Momentum and Trajectory! The unit uses a nylon pendulum with a tapered rubber insert. Both pendulum and base have leveling screws. The spring-loaded gun has a self-locking trigger and rubber bumper to prevent damage on impact. The scale is marked in degrees and is registered by a counter-weighted needle that remains in place at the height of the arc. Instructions provided. (16-1/2" x14" x15" 4.75 lbs).
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PENDULUM CLAMP
Pendulum Clamp
For use on support rods to hang weights and pendulums. Each unit has three screw clamps for holding one to three strings with weights, 2" apart. (11" x 1-1/2" x 1-1/2"; .5lb). |
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BALISTICS CAR
Ballistics Car
An essential for demonstrating properties of velocity! Demonstrates that the forward velocity of a ball ejected vertically is the same as the forward velocity of the vehicle from which it was ejected. Includes a vertical spring-loaded barrel and a 1” diameter steel ball. The ejection mechanism has two settings that are controlled by a release pin and cord. The unit is 250mm x 60mm x 140mm. Instructions provided. (9-3/4" x 2-1/4" x 5-1/2" .5Ib). |
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PULLEY DEMONSTRATON LARGE
Teaches Force and Mechanical Equilibrium – Large enough for demonstration in the classroom! These sets are designed to teach students the concepts of force and mechanical equilibrium as they relate to pulley arrangements. This item also can be used to illustrate the important concepts of mechanical advantage and the conservation of energy. Includes:
- 2 threaded metal vertical support rods
- metal crossbar
- 2 crossbar clamps
- 90 degree clamp
- 3 single pulleys
- 1 quadruple pulley
- 1 triple tandem pulley
- 1 wheel and axle
- 3 pulley clamps
- 10 slotted weights ranging from 10 grams to 500 grams
- 3 weight hangers and pulley cord.
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Pulleys
Inexpensive, yet priceless for teaching potential! |
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PULLEY WITH TABLE CLAMP, CAST
The perfect pulley for easy height adjustment for table-edge demos! There are many uses in a science class for this mounted pulley with extension arm. The cast iron clamp mounts to the edge of any table up to 2-3/8" deep. The 2" diameter metal pulley is mounted to an 8" rod that can be adjusted up to a height of 10-1/2" above the table. 11" x 2-1/2" x 3-1/2" 1lb |
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PULLEY W/EXTENSION ARM 50MM AL
Rod-Mounted Pulley - Essential for teaching about simple machines and force! An aluminum 50mm pulley mounted on an aluminum support with handle. The rod mounted pulley can be used to build your own incline plane, and can be mounted to a support rod using a right-angle clamp. Rod-Mounted Pulley (10" x 2-1/2" x 3-3/4" .7lb). |
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Colored Pulleys
We now offer colored pulleys, which make the classic experiments fun for younger students! |
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Longitudinal Wave Demonstration
Great for demonstrating difficult-to-explain resonant waves, such as propagation, reflection, and interference. Two cast metal supports, 15-1/4" tall x 9-1/2" deep, are extended by connector rods making a frame. A white cotton cloth backing is stretched between the frames to make the demonstration visible. A 3" diameter spring stretches between the frame ends that can be set up to 110cm apart. Spring steel rods at each with adjustable weights at each end provide the vibration that influences the wave frequency. Spring steel rods with adjustable weights provide the vibration that influences the wave frequency. Instructions are provided. (18" x 6" x 11"; 5.2lbs). |
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SLINKY, WAVE DEMO
Wave Demonstration Spring
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 and forth. (3" x 3" x3"; 1Ib). |
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GAS ENGINE MODELS
Two highly detailed engine models that are perfect for any technology, physics or general science class! Four-stroke operation is demonstrated by the gear driven timing mechanisms, valves, ignition systems and more. DC power input is available to power a lamp which represents the spark or glow plug ignition. Both internal gasoline and diesel engine models are available. Made from a high-density plastic that will withstand continual use. |
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ROMAN ARCH MODEL
This unit demonstrates both the construction and engineering involved in a Roman Arch! Made from precision cut wood. A support base is included so that the unit can be constructed and left assembled. Instructions included. Measures 6cm x 33cm. (17-1/2" x 7" x 2"; 5.5lbs). |
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Internal Combustion Engine Models
Superior Quality These superior quality internal combustion engine models will be a great addition to any technology class! High quality cast metal with fine details, hand painted and built to last many years. Each engine comes with instructions and power input binding post to power the built in lamp that represents the spark or glow plug. Each unit measures approximately 20 cm x 20 cm x 34 cm tall. |
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MAXWELLS WHEEL
Maxwell's Wheel
Useful for demonstrating momentum, conservation of energy and torque! The unit is suspended by two strong cords, which are wound around the shaft of the wheel and then released. The wheel will unwind as it falls but will wind itself back up as the momentum carries the wheel upward in the opposite direction. This oscillation process will continue for several moments as the wheel slowly loses momentum and travels less each time. Instructions included. (12" x 4" x 17.3"; 7lbs). |
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FORCE TABLE, STUDENT
Force Table, Student
The classic table for studying a combination of forces!
A steel support tube, cast legs, leveling screws, and
a laminated table top make this unit very stable and
highly functional for the study of equilibrium of force. It
is supplied with four all-metal precision pulleys, 2 large
force rings, 8 small force rings, cords, 4-50 gram weight
hangers, slotted weights and instructions. The slotted
weights included are 8 each-5 gram, 4 each-10 gram,
and 36 each -20 gram. An instruction manual is also
included. (16-1/2" x 16-1/2" x 5-1/4"; 15.5lbs). |
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FREE FALL APPARATUS
Conduct the classic free-fall experiment with your class! A great improvement over classic free fall equipment, our Digital Photogate Free Fall Apparatus retains the precision of older models while eliminating the hassle of setting up and adjusting heavy equipment. The apparatus consists of a lightweight extruded vertical column that carries a release electromagnet, two adjustable photogates, and a catching bag. The falling body is a 1.8cm steel ball. These include the time of fall from rest to the first photogate, the time to fall between the two photogates, and the time to pass through each photogate. After conclusion of a series, the measured times are displayed successively. |
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HORIZONTAL CAST & COLLISION
Horizontal Cast and Collision Tester
Here is a unique way to study horizontal and vertical motion, conservation of energy, and momentum! A track mounted to a vertical board directs one or two carts, casting them into a free fall. The angle of the track is easily adjustable. A pen projecting from the back side of the carts marks the path of the cart as it falls. The pen can be refilled with any standard ink. The graph paper is held in place with magnetic strips, which enables you to quickly replace it for the next student's use. Weights can be added to the carts to study the effects of increased mass on momentum. (16-3/4"x 6"x13"; 6.5lbs). |
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DO-VERTICAL FORCE BOARD
Vertical Force Board |
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Glass Desiccators
Great drying abilities for jobs a plastic desiccator can't do! A desiccator allows you to store equipment in a low-humidity atmosphere. These heavy glass desiccators are made from quality annealed glass for durability. Each includes a glazed porcelain sample plate with a 5mm center hole that is held over the desiccant. For an airtight seal apply grease to the
internal edges of the flange, press the lid on and rotate at least 360 degrees. Also, remember to slide a dessicator lid and not lift it when removing. |
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Cylinders - Single Scale
Each cylinder is molded from tough translucent
polypropylene and incorporates raised graduations for
easy reading. These cylinders are autoclavable and
have a broad base for stability. |
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Spark Timer Acceleration
Great for measuring acceleration of falling weight,and it exerts less resistance than a ticker tape timer! This apparatus is used for determining the rate of acceleration in a falling weight, calculating the speed of a moving cart or studying the forces of friction. A paper strip is pulled through the timer while a spark at a very precise interval is created which burns tiny dots into the paper strip as it passes. The faster the strip passes through the sparks, the larger the distance
between dots. It is then easy for the student to calculate the rate of speed for acceleration. As an added benefit, everything on the spark timer is enclosed for safety. Instructions included. (6-1/4" x 2-3/4" x 4-1/4"; 1.75lbs). |
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DIGITAL TIMER AND PHOTOGATE
Digital Timer and Photogate
The solid state apparatus is a must for any physics class and is perfect for
our air track and free fall apparatus. Two photogates are included, each
with its own shielded connecting cord and mounting screws. The timer
has functions for timing, mechanical periods of oscillation, acceleration,
collision velocities, counting and more. (11-1/2" x 10-1/2" x 6"; 6lbs). |
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WHEEL & AXLE
Wheel and Axle
Great for teaching about mechanics and conservation of energy! The plastic stepped pulley is fitted with a ball bearing on a single steel rod. Uses any standard right angle clamp to attach to a support stand. (6" x4-1/4" 4-1/2" .33Ib). |
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WEIGHT SET HOOKED - Nickel Plated Brass
Hooked Weight Set
Supplied in a storage case which includes the
following weights: 1-1000 gram, 1-500 gram, 2-
250 gram, 1-100 gram, 1-50 gram, 2-20 gram, 1-10
gram. (6" x 3.5" x 5"; 4Ibs). |
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WEIGHT SET SLOTTED BRASS
Slotted Weight Set with Hanger
Great for Hooke's Law demonstrations! Supplied with a 50-gram weight hanger and a reusable plastic storage case. Includes:1-50 gram weight hanger, 9-20 grams, 1-10 gram, 2-5 grams. (7-1/4" x 3-1/4" x 3-1/2"; .75lbs) |
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WEIGHT MASSES, PRECISION SET 8
Precisely weighted masses, which are useful with most student balances, are supplied in a plastic storage container. Also included are: 1-50 gram, 1-20 gram, 2-10 gram, 1-5 gram, 2-2grams, 1-1 gram. 8 pieces; 3" x 3" x 1-1/2"; 25Lbs. |
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WEIGHT MASSES SET 12, WOOD CASE
Weight Masses Set - 12 pcs.
An expanded set of precision masses. Housed in a wooden case and
supplied with stainless steel forceps. Included are the following masses:
1-500 gram, 2-200 grams, 1-100 gram, 1-50 gram, 2-20 grams, 1-10
gram, 1-5 gram, #2-2 grams, 1-1 gram. (6-1/2" x 3" x 4-1/4"; 3.25lbs) |
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WEIGHT HANGER 25 GM 5 H
Hangers For Slotted Weights, 25 grams, 125mm length |
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WEIGHT SET COPPER SLOTTED
Slotted Weight Set with stand
A useful, slotted weight set supplied on a stand with
a handle, which makes the unit easy to transport. 1-
500 gram, 2-200 gram, 1-100 gram, 1-50 gram, 2-20
gram, 1-10 gram. (7" x 3" x 3"; 3Ibs). |
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Slotted Weights
Made of precision, nickel-plated brass, these slotted weights will fit any standard-size weight hanger. |
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Hooked Weights
High-quality weights with hooks fitted through the center allow you to hook weights together in tandem. |
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COLLISION BALL APPARATUS
Collision Ball Apparatus |
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DYNAMIC CAR SET/2
Dynamic Car Set/2 - Perfect for performing experiments in conservation, velocity, elastic collisions, acceleration and momentum without breaking your budget! The set contains two high impact plastic cars with snap-in wheels and two spring steel bumpers with rubber stopper assemblies. Each car is designed with a large recession for holding additional weight. The car measures 127mm x 50mm. (5" x 2" 2Ibs). |
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DYNAMICS CAR W/METAL BODY
Metal Body- Dynamic Car Set/2
Also great for teaching Newton's Laws, but tough enough to withstand continual, rough use! Each car is made from an enamel-coated metal channel for strength and durability. Plastic bearing wheels reduce friction. The kit also includes four small bumper springs, one big spring, two rubber bumpers and detailed instruction sheet. (4" x 10" x 1-3/4" .5lb ) |
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GYROSCOPE PRECISION
Precision Gyroscope
Helps students understand how and why gyroscopes
are used for many guidance systems. This is a wellbalanced,
high quality gyroscope with adjustable
bearings. The accessories include plastic gimbals,
rocker, and pivoting housing. This unit measures
100mm x 190mm. Instructions provided.
(7-1/4" x 4-1/4" x 4-1/2"; 1.5lbs). |
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SIMPLE CART
Simple Hall's Carriage
Both the body and wheels are made from high
impact plastic. The recession in the car allows
for additional weight. The hole in the front of the
molded plastic body allows you to attach a cord,
which is useful with an incline plane.
(5-1/4" x 2" x 1-1/2"; .01Ib). |
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QUIET AIR SOURCE 110V
Quiet Air Source - This piece of equipment can be used on an apparatus requiring an air source such as air tables or air tracks. Very quiet in operation and comes complete with a 1-1/8" diameter hose. Operates on 110 volt AC. (9" x 9" x 16.5" 10.5lbs). |
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GYROSCOPE
Gyroscope
This simple form gyroscope is ideal for illustrating the
principle of gyroscope and rotational inertia. Mounted
in a hearty wire frame, the 5.5cm diameter, cast metal
gyroscope is held by a support base with a socket at
the top end. A long starting string and instructions are
also provided. |
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IMPACT CAR
What better way to study the momentum changes of varying mass than with a visual measure of its force? The impact car is equipped with a spring scale
and slide that is displaced on impact against a wall or similar obstacle. The slide remains in its displaced position until reset. The student rolls the car down
the ramp, and measures the impact. Next, additional mass is added to the recessed cavity inside the car and the experiment is repeated. The student can take direct
readings from the scale to measure the increasing force. Instructions provided. (7" x 3" x 2"; .375lb). |
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HALLS CARRIAGE
Hall's Carriage |
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HOOK'S LAW APPARATUS W/WEIGHTS
Hooke's Law
Demonstrate to your students the classic restoring force law! Show your students that the extension of a coiled spring is proportional to the weight of the masses loaded on a hanger. This new model comes with a sturdy cast metal base, testing spring, metal scale, four 20-gram weights and combination a 20-gram weight hanger, and an indicator needle. Instructions included. (4" x 4" x 12"- 1.5lbs). |
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FRICTION ON AN INCLINE PLANE
This complete set includes an inclined plane with pulley and protractor, a Hall's carriage, and a standard weight hanger. Used to demonstrate resolution of forces, uniform and accelerated motions, kinetic and potential energies. The wooden inclined board measures 60 cm L x 10 cm W, and can be set at any angle between 0 and 45 degrees. The two scales on the protractor allow angle measurements to be made directly or by trigonometry. The aluminum wheel and cone bearings on the Hall's carriage help minimize friction on the inclined plane. The mass of the aluminum weight hanger is 50g. Instruction manual included.
Special Notice: Plastic bin is not included.
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Inclined Plane Set
This complete set includes an inclined plane with pulley and protractor, a Hall's carriage, and a standard weight hanger. Used to demonstrate resolution of forces, uniform and accelerated motions, kinetic and potential energies. The wooden inclined board measures 60 cm L x 10 cm W, and can be set at any angle between 0 and 45 degrees. The two scales on the protractor allow angle measurements to be made directly or by trigonometry. The aluminum wheel and cone bearings on the Hall's carriage help minimize friction on the inclined plane. The mass of the aluminum weight hanger is 50g. Instruction manual |
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KNIFE EDGE CLAMP
Knife Edge Clamp
(3" x 1" x 1-1/4"; .11Ib). |
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Metric Spring Scales
Good quality and durable
can withstand rough classroom use!
Made from anodized metal, richly plated, high impact polystyrene body, with zero adjustment. |
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Extension Support Rings
Each of these extension rings is produced from strong, heat-resistant cast steel.
Tough zinc plating helps to protect the rings and to combat rust. |
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Tubular Spring Scales
Calibrated in both grams and Newtons with transparent bodies and color-coded. (9" x 1-1/4" x 1-1/4"; .11Ib). |
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Newton's Spring Scales
Similar to Metric Spring Scales, scaled in Newtons. (7" x 1-1/2" x 1"; .12Ib). |
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