Build rockets from ordinary plastic soda bottles that can soar to heights in excess of 150 feet! All you need is water! This solid aluminum bottle rocket launcher allows you to pressurize any plastic soda bottle (from 500 ml to 2 liters) with an ordinary bicycle tire pump. A quick tug on the release cord and your rocket climb skyward.…
Consists of an airtight plastic syringe supported between two wood blocks. Placing various weights on the upper block compresses the gas, allowing pressure and volume measurements to be made to verify Boyles Law.
This precise apparatus is designed for demonstrating Boyle’s Law (elasticity of gases). The apparatus illustrates accurate readings over a wide range of pressure. Two glass tubes, one with a closed top and the other with an open one connected together by a piece of flexible tubing, running parallel to one another on metal rods. This allows one of the tubes…
C cell battery holder with 6" connector cords in red and black. Made of unbreakable plastic. Curved sides help prevent the battery from falling out when it is upside down. Ages 7+
Supertek double cell holder is a high quality easy to load and easy to remove cell holder for holding two standard D size batteries. It is fitted on the sturdy plastic base. 4mm sockets are provided for the input signals separately with each cell holder. Double cell holder can be used as a single cell holder by using only one…
Supertek single cell holder is a high quality easy to load and easy to remove the standard D-size battery. It is fitted on a sturdy plastic base. 4mm sockets are provided for the output. Two or more cell holders can be used for parallel or series combinations. Supplied without battery. Size: 7.09" L x 4.13" W x 3.35" H Grades…
Everything is needed to measure the relationship between centripetal force and mass. This kit includes a hollow tube handle, rubber stopper (rotating weight), washers (stationary weights), nylon thread, and complete instructions for you to do centripetal force demonstrations.
A 4cm plastic pulley is mounted on a table clamp with low friction brass cone bearings. It can be used on lab tables, inclined planes, or force tables for experiments involving the resolution of forces, friction, or motion. It can clamp onto surfaces up to 3cm thick. A crossbar on the screw offers a better grip for tightening and the…
Curved ramp to deliver a ball for collision with constant energy. The apparatus includes: Two ½ inch steel balls, One 16mm glass ball, One 1 inch wooden plumb bob. With Instructions.
Students will never get bored with these brightly colored pulleys. They will add color & excitement to any mechanics experiment. These standard-size pulleys are less intimidating to smaller children. Ages 10+
This mini magnetic compass is 16 mm (5/8") in diameter. It is useful for designating the direction of magnetic fields in magnetism studies or for making simple galvanometers in electricity studies.
This versatile, comprehensive Ray Box Kit allows teachers to demonstrate all geometric optics principles to the whole class. The Ray Box and all-optical accessories can be firmly held to a metal chalkboard or whiteboard. The kit comes with a robust plastic box with a 12V halogen lamp, a cylindrical lens, a set of 5 slit diaphragms, a set of 7…
Two metals of different heat coefficients, brass & iron are laminated together and mounted in a wooden handle. This device demonstrates the unequal expansion of different metals by bending when heated. 200 x 25 mm.