The Earth/sun system demonstrates the seasons, eclipses, and the phases of the moon. The sun has a LED that sends a spot of light onto the Earth. The sun turns with the handle as the user changes the seasons. The moon revolves around the Earth as the Earth rotates around on its axis. The angle of…

This unit demonstrates the principles of momentum and kinetic energy in collisions. It's supplied with both wood and metal balls, string, a table clamp, and a guide. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including nickel and lead, which are known to the…

This molded plastic bicycle wheel gyroscope is durably constructed and more resistant to distortion than a spoked wheel. Convincing demonstrations of the gyroscopic forces can be made using a rotating platform and the grooved hub and starting cord make accelerating the gyroscope to a sufficient…

20" diameter rubber bicycle wheel with handles Demonstrates the conservation of angular momentum Can be suspended from a string (included) Use with our Large Rotational Platform (part number HDTRNT) for an immersive sensation of gyroscopes as stabilizers A classic 20" diameter bicycle wheel…

The ball is placed on top of the acrylic square, which is positioned on top of an aluminum post. The spring is pulled tight and then released which shoots the square out from under the ball. The balls falls into a concave recession in the post. Similar to pulling a tablecloth out from under a set…

The kit includes the pieces to build a simple balance demonstration. Consists of a knife edge clamp, meter stick, metal support and cast iron base. The knife edge clamp is often used on a balance demonstration to hold a meter stick or for suspending a weight from a meter stick. Made from nickel…

Inflatable world globe features country capitals, important cities, time zones, international boundaries and geographic features. The globe is 10” tall and 12” wide when inflated.

This product is often used to demonstrate principals of conservation of energy and simple machines. The pulley is constructed of plastic with a steel rod and roller bearing hub. Step sizes of the pulley are 1.5”, 2”, 2.5” and 4”. It is easily connected to a support stand with a right-angle clamp. …

This economy Hall’s carriage is perfect for demonstrations and investigating principles such as Newton’s laws, acceleration, velocity and friction. This economy Hall’s carriage has a durable plastic body with a roomy well for additional masses (not included). The hole…

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,…

The pendulum wave demonstration is a cross between science and art. It demonstrates how mass accelerates and decelerates as a response to the force of gravity. Nine 1" diameter steel pendulums will form wave patterns as they fall in and out of sync with one another. Some minor assembly is required.…

Introduce basic weather concepts with this versatile apparatus. Measure temperature (in Fahrenheit and Celsius) and wind speed, then reference the screen-printed chart to easily calculate wind chill. The device freely rotates to indicate wind direction, and its removable rain gauge allows for the…

Kit contains: (1) Air table, (2) Leveling Feet, (4) Installed Table Bumpers, (8) Air Pucks, (8) Velcro Bumpers, (8) Rail Pins, (8) 0.245 OZ Donut Masses Air table is constructed of heavy gauge anodized steel, the workable surface is 65cm by 45cm with major graduation of 5 cm and minor graduations…

A visual measurement of impact created by collision against a stationary object. The car is fitted with a spring scale and slide that is displaced on impact. The slide remains in its displaced position until reset. The student can takes direct readings from the scale to measure the force. The top…

A basic inexpensive Fan Cart powered by two AA size batteries (not included) demonstrates Newton’s principle of action and reaction. Batteries are contained in the removable power unit and the fan is con-trolled by a switch. The propeller delivers a thrust of about 88 mN, accelerating the…

The Acceleration Motion Kit is used to study motion on planes and slopes. The kit consists of a 1 meter long horizontal aluminum track with a graduated 0mm to 900mm scale, three adjustable supports for the track, two photogates, and a level adjuster knob that is used to increase the slope. …

The Projectile Launcher is a teaching tool used for experiments with trajectories. The launcher features a spring-loaded trigger and an easy-to-use release mechanism that can be adjusted for tension. A protractor and plumb bob are fixed to the face of the apparatus for determining the angle of…

Explore the basics of navigation and orienteering with this easy-to-use compass. Product features a sight finder, as well as markings in both the metric and English scales. A detachable lanyard is also included. Map scale is displayed in mm with a ratio of 1:25000. Dimensions: Thickness when…

EXPLORE CHEMICAL REACTIONS Vinegar and Alka-Seltzer react to create gas inside the closed canister. Pressure builds as the amount of gas increases. Eventually, the pressure pops the lid off the canister, allowing the canister to launch into the air! STEM LEARNING Introduces and demonstrates…

This set comes with two 7cm pucks and two 9cm pucks, as well as four plastic tubes connected to balloons. The balloons and pucks can be put together without any tools. Place them on a smooth surface to experiment with levitation. PRODUCT WARNINGS WARNING: This product can expose you…

Explore basic mechanics concepts with this all-metal, freestanding apparatus, designed for both durability and ease of use. The plane is wide enough to accommodate standard friction blocks or a Hall’s carriage with a smartphone attached, and its walled construction prevents objects from falling off…

This Ballistics Car demonstrates the independence of vertical and horizontal motions. It consists of a four-wheeled cart carrying a vertical tube with a spring-loaded piston inside. The tube is loaded with a ball and the cart is set in motion. During the motion, the piston is released remotely by a…

The design of the SpillNot™ uses the principles of Newtonian physics to keep the liquid in the container. The flexible handle and the location of the suspension point above the center of the tray ensure that the forces on the liquid are always directed towards the supporting tray, even when…

This apparatus aims to help demonstrate rotational inertia and the effect that weight distribution has on it. Each disk can be opened to distribute steel balls into the eight compartments within. The set comes with two pucks and eight steel balls. PRODUCT WARNINGS WARNING: This…

LUNG FUNCTION Lung demonstration model provides a firsthand view of how the lungs work and how other structures play into the function of the lungs SIMPLE YET EFFECTIVE A simple, yet effective, apparatus that consists of two sacs, which represent the lungs, a rubber membrane, which serves as…

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 Kit includes: a 50cm meter stick, a cast iron support stand, 3-knife edge clamps, 1-50 gram hooked…

Utilize the power of your smartphone with this unique Hall’s Carriage. The secure clip holds your smartphone securely for motion experiments. Using an app of your own choosing, you can graph acceleration and velocity. Includes activity guide. Secure clip holds your smartphone securely for…

Aluminum Ball Drilled for lab demonstrations Approx. 2.5mm drilled hole Drilled aluminum ball - can be used for Collison and pendulum demonstrations. Aluminum ball can be used for hobbies and various other things. Approx. 2.5mm drilled hole

The Variable Inertia demonstrates an abstract concept in an easy-to-understand manner. It consists of two semi-clear plastic discs with the same mass and diameter. The discs are hollow inside with molded compartments. The 19mm steel balls can be placed inside the discs in a variety of…

The Mini Projectile Launcher is for students of force and motion in any Physical Science Classroom. The apparatus is useful in studying projectile range versus angle and conservation of momentum and energy. The launcher will project steel balls at a range of 1 to 2 meters and can be set at…

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…

Help 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. The spring device can propel a ball up to 48 inches from its starting point. It comes with a detachable rod for…