Linear Air Track Accessories Pack, included pullys, bumpers, spring and velcro attachments, slotted masses and hanger, flags, launching cradle, additional masses
Spectrum tube Power Supply, Connecting sockets are fully shielded to prevent electric shock. The bottom socket is spring loaded so tubes can be changed easily. Operates on 220V. The cord is 8 inch. Overall dimensions: 14-1/2inch x 4-1/2inch x 3inch
Acids and bases, Students will learn about acids and bases through a class discussion and then test a dilute acid and dilute base with neutral litmus paper to learn how the paper indicates something is acidic or basic.
vertically-aligned set LED, easy and dramatic demonstration of the relationship between the color and wavelength of light, spectral range of each LED can be investigated with spectrometer, or just viewed for comparisons with each other
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