This colorful tube allows you to create a tornado in minutes! Simply connect two bottles, swirl, and watch as this natural phenomenon is created before your very eyes! Perfect for any classroom or science fair demonstration.

This colorful tube allows you to create a tornado in minutes! Simply connect two bottles, swirl, and watch as this natural phenomenon is created before your very eyes! Perfect for any classroom or science fair demonstration.

Demonstrate the transformation of potential energy into kinetic energy in a fun and interesting way! Challenge your students to calculate the minimum height the steel ball can be rolled down the track and still complete the loop without breaking contact with the track. Measures 420mm x 100mm x 430mm. Instructions included. 16.5" x 4" x 17"

The equal mass set contains samples of tin, aluminum, lead, zinc, copper.

Rest the plastic ball on top of the Plexiglas square which 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. Replaced 7-197. 7.5" x 5.5" x 6.5", 0.9 lb.

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. 5" x 4.5" x 6.5", 1 lb.

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" 1.6 lbs.

ETA Geology Field Trip In a Bag

Excellent 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. Shock Pendulum Apparatus; 16-1/2" x14" x15" 4.75 lb.

Large enough for demonstration in the classroom, the large pulley demonstration is designed to teach the concepts of force and mechanical equilibrium as they relate to pulley arrangements. The model can be used to illustrate the important concepts of mechanical advantage and the conservation of energy. It includes: 2 threaded metal vertical support rods, a metal crossbar, 2 crossbar clamps, a 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 (100 ft.), and a complete laboratory manual. 36" x 8" x 8"; 23 lb.

Pulleys are used to demonstrate how to mechanically change the direction of force being applied to force. They can be used individually or in group applications to aid in doing work.

Pulleys are used to demonstrate how to mechanically change the direction of force being applied to force. They can be used individually or in group applications to aid in doing work.

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" 1 lb.

Pulleys are used to demonstrate how to mechanically change the direction of force being applied to force. They can be used individually or in group applications to aid in doing work.

Pulleys are used to demonstrate how to mechanically change the direction of force being applied to force. They can be used individually or in group applications to aid in doing work.