Chapter 1 Section 4 Terms
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| compound light microscope | a microscope that shines light through a specimen and has two lenses to magnify an image
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| eyepiece (ocular lens) | magnifies the image, usually by 10 times
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| objective lens | enlarges the image of the specimen; located directly above the specimen
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| stage | a platform that supports a slide holding the specimen
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| light source | a light bulb that provides light for viewing the image
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| magnification | the increase of an objects apparent size
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| nosepiece | the structure that holds the set of objective lenses; rotates the lenses into place above the specimen
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| resolution | the power to show details clearly in an image
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| scanning electron microscope | passes a beam of electrons over the specimen's surface; provides three-dimensional images of the specimen's surface
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| transmission electron microscope | transmits a beam of electrons through a very thinly sliced specimen; has a great resolution; magnifies objects up to 200,000 times
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| metric system | a decimal system based on the powers of ten; the official name of the system is Systeme Internation d'Unites or the International System of Units
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| base unit | seven fundamentals that describe length, mass, time, and other quantities
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