microscope parts & usage. contains the magnifying lens you look through. eyepiece
TRANSCRIPT
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Microscope Parts & Usage
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Contains the magnifying lens you look through.
EYEPIECE
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Which objective lens would you use for first focusing the object?
SCANNING
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Scientist known for contributing to the third part of the ‘Cell Theory’
which states that all cells come from other cells.
VIRCHOW
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Maintains the proper distance between the
eyepiece and the objective lenses.
BODY TUBE(BARREL)
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Which adjustment knob should be used on scanning power?
COARSE ADJUSTMENT KNOB
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Scientist who observed “animalcules”, also
known as bacteria and protozoan.
Van LEEUWENHOEK
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Supports the body tube and stage; used to carry
the microscope.
ARM
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Statements about cells that apply to all living things
developed with use of the microscope.
CELL THEORY
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Which adjustment knob should be used while on
high power?
FINE ADJUSTMENT KNOB
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Scientist who observed the first cells and came up with the word ‘cells’.
HOOKE
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Located on the stage, holds the slide in place.
STAGE CLIPS(SLIDE CLIPS)
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The name for a microscope with one
ocular lens (eyepiece).
MONOCULAR
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Scientist who studied plant cells and helped
contribute to the ‘Cell Theory’.
SCHLEIDEN
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Moves the stage up and down for focusing an
image; used first when focusing the specimen.
COARSE ADJUSTMENT KNOB
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Term used to describe a microscope with two sets
of magnifying lenses.
COMPOUND
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Moves the stage slightly to sharpen the focus of
the image; used only with the higher power objective lenses.
FINE ADJUSTMENT KNOB
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Scientist who studied animal cells and helped
contribute to the ‘Cell Theory’.
SCHWANN
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Provides electricity in order to operate the
microscope.
POWER SWITCH
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A tool used to view small objects that cannot be
easily seen by the naked eye.
MICROSCOPE
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Holds the objective lenses and allows them to be
rotated during use.
NOSEPIECE
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This term is used to describe a microscope
that remains focused on high power once focused
on scanning power.
PARFOCAL
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Magnifying lenses located closest to the specimen
being viewed.
OBJECTIVE LENSES
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The white circle you see when you look through the eyepiece with the
light turned on.
FIELD OF VIEW(VIEWING CIRCLE)
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Allows light to go through the stage, specimen, and the lenses to your eye.
STAGE OPENING(APERTURE)
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What is the formula used to calculate total magnification?
OCULAR LENS x THE OBJECTIVE LENS IN USE(ex. 10x times 40x = 400x)
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Supports the slide being viewed; should be all the
way up before first focusing the specimen.
STAGE
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Scientist given credit for developing the first
microscope.
JANSSEN
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Regulates the amount of light allowed through the
specimen and into the body tube.
DIAPHRAGM
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Where should you look when changing from the
scanning power to a higher power?
TO THE SIDE OF THE STAGE
(NOT THROUGH THE EYEPIECE)
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Provides light necessary to view the specimen.
LAMP(LIGHT SOURCE)
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Supports the weight of the entire microscope; used to
carry the microscope.
BASE
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Which objective lens provides the greatest
field of view?
SCANNING
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