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Microscope Unit
Vocab Cards
19
Science
6th Grade
09/24/2012

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Term
compound microscope
Definition
a microscope with more than one set of lenses
Term
eyepiece
Definition
the lens of the microscope through which you look
Term
microorganism
Definition
a tiny living thing not easily seen with the unaided eye
Term
microscope
Definition
an instrument used to enlarge the image of an object
Term
objective lens
Definition
the magnifying lens nearest the object being viewed
Term
arm
Definition
the part of a microscope supporting the body tube
Term
base
Definition
the bottom, supporting structure of a microscope
Term
body tube
Definition
the microscope part, holding the eyepiece and the objective lenses, that moves up and down to allow focusing
Term
inclination joint
Definition
the joint allowing the body tube to be tilted for easier viewing
Term
revolving nosepiece
Definition
the part of a microscope at the base of the body tube to which the objective lenses are attached and can be turned
Term
diaphragm
Definition
the part of a light microscope that controls the amount of light entering the field of view
Term
high-power lens
Definition
the objective lens usually magnifying an object being viewed about 40 times (40x)
Term
low-power lens
Definition
the objective lens usually magnifying an object being viewed about 10 times (10x)
Term
scanner
Definition
the objective lens with the lowest magnification, usually used to locate objects being viewed
Term
slide
Definition
a thin, rectangular piece of clear glass or plastic on which an object is placed for viewing under a microscope
Term
stage
Definition
the flat part of a microscope below the objective lens on which the prepared slide is placed
Term
coarse adjustment knob
Definition
the LARGE knob on the microscope which, when turned, brings the image of the object into FOCUS
Term
fine adjustment knob
Definition
the SMALL knob on the microscope which, when turned, brings the image of the object into SHARPEST FOCUS
Term
light source
Definition
the lamp (or mirror) under the stage that sends light through the object being viewed
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