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Biology Chapter 1.4

Vocab

TermDefinition
compound light microscope a microscope that shines light through a specimen and has two lenses to magnify an image
eyepiece (ocular lens) magnifies the image, usually by 10x
objective lens located directly above the specimen, it enlarges the image of the specimen
stage platform that supports the slide holding the specimen
light source (illuminator) a light bulb that provides light for viewing the image
magnification the increase of an object's apparent size
nosepiece the structure that holds the set of objective lens, and rotates the nosepiece into place above the specimen
resolution the power to show details clearly in an image
scanning electron microscope a microscope that passes a beam of electrons over the specimens surface and provides a three dimensional image of the specimens surface
transmission electron microscope a microscope that transmits a beam of electrons through a very thinly sliced specimen.
metric system a single, standard system of measurement, a decimal system, thus based on the powers of ten
base units seven fundamental things that describe length, mass, time, and other quantities.
Created by: CordierM02