Spark Recording Timer Carbon Discs, 10 pack

This AC spark recording timer is used to measure velocity and acceleration of falling or moving objects in dynamics studies.

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This paper tape will work with most recording timers. It is about 17 mm wide and comes on a 150 foot roll.

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Have you ever watched fireworks and wondered how all the different colors are made? With this chemistry experiment, you will use a simple flame test to explore different chemical compounds and create your own rainbow fire.

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This 30 g bottle of sodium hydroxide comes in pellet form and may be substituted for granular lye. Discover the sodium hydroxide formula & more below! Sodium hydroxide is a corrosive & a poison; read warning labels carefully.

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Our Home Advanced LED Microscope is available with a fully adjustable 1.25 N.A. Abbe condenser and iris diaphragm to provide better image contrast. Built to exacting standards, this compound microscope will last a lifetime!

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Pack of two extra large test tubes, 20 x 150 mm.

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These #4 rubber stoppers are 20-26 mm diameter with one 5 mm diameter hole.

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Use this set of 10 density cubes to demonstrate the density differences of various materials and experiment with mass, density, specific gravity, and buoyancy.

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This 2 g bottle of silver nitrate, also known as lunar caustic, is an inorganic compound with the chemical formula AgNO3. Take a look at the table below to discover the silver nitrate formula, density, shelf life, and more!

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This Lugol's iodine solution stains carbohydrates in plant & animal specimens brown or blue-black & stains glycogen red. An aqueous solution of 1.8% iodine & 3.0% potassium iodide. Lab grade; not for food or medical purposes.

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