Ideal for collision and pendulum applications, this ball set consists of 14 balls of seven materials. Includes two balls each of aluminum, brass, copper, iron, lead, zinc, and wood. 1 in. each.
Excellent for experimenting with density and volume. Includes 10 mm cube, 20 mm cube, and 30 mm x 20 mm x 10 mm block of six metals: aluminum, brass, copper, lead, steel, and zinc. WARNING: Choking Hazard. Small Parts. Not for children under 3 yrs
Ever wonder how a clock works? For centuries the pendulum clock was used to keep time. The Simple Pendulum kit shows you why you can measure time with a ball and string and how to do it. Includes a tape measure, two different pendulum balls, six feet of string, and an activity guide. Ages 7+.
Consists of a resistance wire with a sliding contact and a strip of aluminum to provide two “arms” of the bridge for known and unknown resistance. Strips of heavy aluminum are provided with a single gap in each of two arms for the resistance. All components are mounted on a heavy sheet metal base. With Instructions.
10 gm hanger with nine slotted masses, each of 10 gm, total 100 gm. 50 gm hanger, 4 masses each of 50 gm, total 250 gm. 100 gm hanger with four slotted masses, each of 100 gm, total 500 gm. Hanger with nine slotted masses, each of 100 gm, total 1000 gm.
Explore "Green Energy" on a small scale! This economical solar car operates on sunlight or a rechargeable AA battery. A four-position switch allows you to choose between running the car on the solar cell or the battery, recharging the battery from the solar cell, or "off." Two binding posts allow the voltage developed by the solar cell to be measured…
The pair of tuning forks in this kit is designed to demonstrate the resonance of sound and other acoustic phenomena. The kit includes two identical tuning forks, a rubber striker, a piece of clay to varying the frequency, and a plastic dish for sound wave observation. Ages 7+.
These specimens are used with a calorimeter to determine various specific heats. This five-cylinder set consists of aluminum, copper, zinc, tin, and steel. All the cylinders are the same mass (58g) and same diameter (19 mm). A small knob with a groove on the top for string provides convenience and insures accuracy (by not using a hook made of a…