Bulb, 20 watt, 110-120 volt tungsten

30 g bottle of talc powder, otherwise known as hydrous magnesium silicate or talcum. Take a look at the table below to discover the talc formula, the density of talc powder, its shelf life, and more!

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This economical, sophisticated binocular microscope provides enhanced optics & advanced mechanics. This easy-to-use advanced microscope reduces eye strain & supplies depth of field flexibility. Comes with a lifetime warranty!

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This National Optical model R131 microscope boasts extra-cool & bright LED lighting. An excellent scientific instrument for working with live specimens (like protists) for extended periods of time!

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This portable battery-powered microscope for kids features the same quality glass optics and sturdy metal frame as our regular Kids scope, but with a more versatile illumination system.

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Go deeper with biology this school year as your student studies biochemical processes, genetics, and more. This bundle includes detailed teacher guides, full-color student workbooks, and hands-on experiment supplies.

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Discover biology this school year as your student studies adaptation, structure, function, and more. This bundle includes detailed teacher guides, full-color student workbooks, and hands-on experiment supplies.

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Learn your blood type without the risk of disease transmission! This kit's synthetic blood samples give you the hands-on experience determining different ABO & Rh blood types.

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Learn what causes change to our global climate and dive into the impact it has on your surroundings. Explore extreme heat and develop a real-life solution to climate problems in this high school earth and space kit.

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Discover the science behind lactose intolerance with this chemistry kit. Can over-the-counter LACTAID (R) digest lactose? Learn about enzymes and how sugar lactose is broken down through a variety of engaging experiments.

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Albumin is a water-soluble protein that coagulates in heat.

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