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+
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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.
