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Biology Chapter 1.4

Biology Chapter 1.4 Terms and Definitions

Compound light microscope a microscope that uses light to illuminate a specimen that is then magnified by two lenses
eyepiece the part of a compound light microscope that magnifies an image, usually 10x, also called an ocular lens
objective lens the part of a compound light microscope that is located directly above the specimen that magnifies the image of the specimen
stage a platform of a compound light microscope that supports the slide holding the specimen
light source a light bulb that provides light for viewing the image. It can either be reflected by a mirror or can be directly provided by
magnification the increase of an objects apparent size by using lenses or mirrors
nosepiece the part of a compound light microscope that holds the objective lenses in place above the specimen
resolution in microscopes, the ability to form images with fine detail
SEM (scanning electron microscope) a microscope that produces an enlarged, three dimensional image of an object by using a beam of electrons rather than light.
TEM (transmission electron microscope) a microscope that transmits a beam of electrons through a very thin slice of specimen and can magnify up to 200,000x
metric unit a decimal based standard, system of measurement that is used by scientists; similar to the Systeme Internationale
base unit one of the fundamental units of measurement that describes length, mass, time, and other quantities and from which other units are derived.
Created by: conoverc20