Physical Science

Is friction making your dynamics demonstrations sluggish? Do students have difficulty seeing that energy is conserved? Improve your laws of motion experiments with this top-quality air table. The durable air pucks will accurately show Newton's laws o...

This rugged, economical unit will produce consistent data for years. Its large and easy-to-read scale makes it ideal for classroom demonstrations. The sturdy 1.8-m anodized track is precisely machined to provide near frictionless movement of the glid...

Durability and maintenance-free performance are the benchmarks of our air track system. Designed specifically for introductory mechanics, its student-proof design also makes it double as a precision optics bench. (See optics section for optics compon...

Tired of noisy shop vacs running all day during your air track experiments? We have a quieter air source solution. The air input port has three foam sound absorbers. The straight-through air path reduces pressure loss and unnecessary turbulence-resul...

A budget-saver! This air source will power your air tracks just as well as the more expensive unit-but at a fraction of the price. The 1½ horsepower motor will keep air carts floating freely for all dynamics experiments. Sound output is similar to th...

A budget-saver! This air source will power your air tracks just as well as the more expensive unit-but at a fraction of the price. The 1 1/2 horsepower motor will keep air carts floating freely for all dynamics experiments. Sound output is simi...

Designed for rugged student laboratory use. Screw-head grooves on the top and sides allow additions to be made without drilling and tapping holes. Gliders have nickel-plated spring steel bumpers at each end, together with fastening points for springs...

Designed for rugged student laboratory use. Screw-head grooves on the top and sides allow additions to be made without drilling and tapping holes. Gliders have nickel-plated spring steel bumpers at each end, together with fastening points for springs...

Designed for rugged student laboratory use. Screw-head grooves on the top and sides allow additions to be made without drilling and tapping holes. Gliders have nickel-plated spring steel bumpers at each end, together with fastening points for springs...

This friction-free pulley carries weights up to 50 g on a strip of air-supported Mylar tape. Eliminate friction or rotational inertia with this elegant pulley. For Air Track AP5615.

A large, endstop-mounted, ball-bearing pulley which sends glider motion to a computer for recording and data processing. The spokes on the pulley are viewed by a reflection photogate whose output can be recorded by popular computer input modules. For...

This lightweight, ball-bearing pulley is mounted on a modified endstop to guide the string over the end of the air track for measurement of acceleration with a constant force. One is included with AP5615 Air Track.

Four aluminum screen flags and an instruction manual. Measuring the velocity of an accelerating glider with each of the flags makes it possible to extrapolate and find the true velocity.

Four 4 cm square aluminum blocks with thicknesses of 0.3, 0.6, 1.3, and 2.6 cm. These blocks can be stacked under your air track to provide a fixed and reproducible slope for inclined plane experiments.

Replacement set of 20 nickel-plated spring steel bumper springs to replace those hopelessly old, bent springs.

Set of 20 nickel-plated spring steel glider bumper springs used to replace standard bumper springs for “softer” collisions. They provide softer collisions but are not as durable as standard bumper springs.

Springs made with 5-mm stainless steel wire. Each size comes in packages of ten.

Springs made with 5-mm stainless steel wire. Each size comes in packages of ten.

Springs made with 5-mm stainless steel wire. Each size comes in packages of ten.

Velcro pads attached to bumper springs cause colliding gliders to stick together after a collision. For conservation of momentum experiments.

Perform popular vibration experiments with this coupled harmonic oscillator set. This set models the vibration of a one-dimensional row of atoms by coupling up to five gliders with helical springs. Normal mode frequencies lie between 0.3 Hz and 1.8 H...

Accelerating gliders on an air track in a reproducible fashion for multiple trials can be a real challenge. This electronic launcher takes the guesswork out of consistent velocities. The velocity is easily adjusted with the energy control knob on the...

Like paw prints in the snow, these precisely-timed sparks leave a permanent series of tracks in the paper. The record becomes permanent as holes are sparked into the paper. Measurement of the intervals can be done anytime after the completion of the ...

All the parts required to mount a pair of spark wires on an air track to record the motion of two gliders. Instruction manual included.

Line-powered, more expensive, but we think it is worth it. There is no AC adapter to lose or batteries to replace just before the lab starts. Our six-digit electronic stop clock provides memory and period measurement with a resolution of 0.0001 s. Th...

Complete package-this system comes complete with everything required for spark recording the motion of two gliders. Spark timing produces a permanent record of data that can serve as a central focal point during class discussions of kinetics concepts...

Acceleration timer produces precisely 60 dots per second on a moving strip of paper. Demonstrate increases in velocity and precisely cal- culate acceleration, drag, and friction by measuring the interval between a series of dots. Includes paper, carb...

Drilled balls are used for pendulum bobs or impact experiments. Other balls are suitable for collision experiments and density/volume experiments.

Powered by two 1.5-V “D” cell batteries, this timer can be clamped down anywhere in the laboratory. The 13 mm wide paper is guided over a striking surface at a rate between 30 to 50 marks per second. The rate can be slowed by inserting an aluminum ro...

A portable, durable accelerometer/altimeter for field use. A locking mechanism stores current readings until they can be recorded. Accelerometer display is printed with both degrees and units of acceleration (in G) so you can measure altitudes or us...

Low-cost general purpose cart for motion and force experiments. Cart is constructed of a durable I-beam plastic body with steel ball-bearing wheels. Assembly and use instructions provided. Works great with the Economy Choice Inclined Plane AP4535.

This simple vehicle provides the constant speed with zero acceleration you need to illustrate numerous physical science phenomena. Your friction, vector, energy and power units all require this device. It is extremely rugged and will withstand the ri...

Capable of carrying big payloads (bricks!) these dynamic carts will be just as their name implies-dynamic! When collision variables are magnified to the size of bricks, they make an impression on students! Each car is supplied with one lightweight an...

A scaled-down system perfect for teaching all the basics, but easy on the budget. Excellent for teaching velocity, acceleration, Newton's first and second laws, friction, and the conservation of momentum and energy. The tough plastic carts have attac...

Perform experiments that illustrate elastic and inelastic collisions, conservation of momentum, and Newton's laws of motion. This set of two carts is constructed with solid stained wood bodies, plastic tops, and sturdy end plates. Low friction, ball-...

How does a propeller move an airplane? With this cart, students study the force generated by a motorized fan to learn about thrust, drag, air pressure, and Bernoulli's principle. Attach the sail and students will learn about Newton's law of action-re...

At last! A high-quality, low-friction Hall's carriage that's within your budget. Rolls smoothly and effortlessly with even the smallest push. An excellent choice for all your Newton's laws, momentum and energy experiments. Carriage and wheels are mad...

Top quality carriage made of high impact plastic. Machined, aluminum wheels are mounted on hardened steel cone bearings to ensure minimal friction and long life. Dimensions: 14 x 6.5 cm.

Investigate acceleration, friction, and gravity; duplicate Galileo's free fall experiments. This is a tough and accurate classroom essential. Folds for storage with a special hinge. A removable protractor allows you to clamp the inclined plane up to ...

An inclined plane is an essential tool for every physical science classroom. Use this four-foot-long, heavy-duty metal inclined plane to demonstrate and study frictional forces, potential and kinetic energy, and constant acceleration. Tough enough to...

Equip your entire physical science class with these sturdy yet inexpensive inclined planes. The Inclined Plane Classroom Set includes inclined planes, end pulleys, string and support rods-enough for eight groups of students. Mechanical Advantage with...

This dynamics track is the highest quality we've ever tested! Use the track with the included Vernier carts and obtain amazingly accurate results when studying the laws of motion. Or, turn the track over and use it as an optics bench. Coated with a b...

Drilled balls are used for pendulum bobs or impact experiments. Other balls are suitable for collision experiments and density/volume experiments.

Drilled balls are used for pendulum bobs or impact experiments. Other balls are suitable for collision experiments and density/volume experiments.

Drilled balls are used for pendulum bobs or impact experiments. Other balls are suitable for collision experiments and density/volume experiments.

Drilled balls are used for pendulum bobs or impact experiments. Other balls are suitable for collision experiments and density/volume experiments.

Drilled balls are used for pendulum bobs or impact experiments. Other balls are suitable for collision experiments and density/volume experiments.

Drilled balls are used for pendulum bobs or impact experiments. Other balls are suitable for collision experiments and density/volume experiments.

Drilled balls are used for pendulum bobs or impact experiments. Other balls are suitable for collision experiments and density/volume experiments.

Drilled balls are used for pendulum bobs or impact experiments. Other balls are suitable for collision experiments and density/volume experiments.

Drilled balls are used for pendulum bobs or impact experiments. Other balls are suitable for collision experiments and density/volume experiments.

Drilled balls are used for pendulum bobs or impact experiments. Other balls are suitable for collision experiments and density/volume experiments.

Drilled balls are used for pendulum bobs or impact experiments. Other balls are suitable for collision experiments and density/volume experiments.

Drilled balls are used for pendulum bobs or impact experiments. Other balls are suitable for collision experiments and density/volume experiments.

Drilled balls are used for pendulum bobs or impact experiments. Other balls are suitable for collision experiments and density/volume experiments.

Drilled balls are used for pendulum bobs or impact experiments. Other balls are suitable for collision experiments and density/volume experiments.

Drilled balls are used for pendulum bobs or impact experiments. Other balls are suitable for collision experiments and density/volume experiments.

Drilled balls are used for pendulum bobs or impact experiments. Other balls are suitable for collision experiments and density/volume experiments.

Drilled balls are used for pendulum bobs or impact experiments. Other balls are suitable for collision experiments and density/volume experiments.

Drilled balls are used for pendulum bobs or impact experiments. Other balls are suitable for collision experiments and density/volume experiments.

Drilled balls are used for pendulum bobs or impact experiments. Other balls are suitable for collision experiments and density/volume experiments.

Drilled balls are used for pendulum bobs or impact experiments. Other balls are suitable for collision experiments and density/volume experiments.

A perfect set of drilled balls for all your pendulum experiments. Each ball is 25 mm in diameter and has a precision 3-mm hole drilled exactly through the center. The set of twelve includes two each of brass, aluminum, steel, cork, wood, and lead. Th...