introduction to the microscope word of the day: objective: one of the lenses of the microscope used...
DESCRIPTION
100XTRANSCRIPT
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Introduction to the
Microscope
Word of the Day:Objective: one of the
lenses of the microscope used to
make the object look bigger
Agenda•Turn in poster•HW Returned•Microscope notes•Microscope Lab
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40 X
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100X
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400 X
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1000X
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Electron microscope image
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Parts of a microscope
Eyepiece
Nosepiece
Arm
Stage
Diaphragm
Base
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Parts of a microscope: Eyepiece
-Magnifies the object 10x
-Can be 1 or 2 eyepieces present
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Parts of a microscope: Nosepiece
Objective lenses (4x, 10x, 40x)
-Holds the lenses
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Parts of a microscope: Stage elements
Stage Clips—holds the slide in place
Diaphragm—controls the amount of light
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Parts of a microscope: Power, light, and focus
Coarse Adjustment-used to focus, moves the slide a lot
Fine Adjustment—used to focus, moves the slide a little
Light—shines through the specimen so it is visible
Power switch—turns the light on
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Magnification and resolution
Magnification is the enlargement of a specimen.
To determine magnification you take: power of the eyepiece X the power of the objective
Example: A 10X eyepiece and a 4X objective magnifies
the specimen 40X.
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How to see a slide
Put on low power
Put slide on stage/center
Coarse focus
Fine focus
Light adjustments