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.

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Presentation transcript:

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

40 X

100X

400 X

1000X

Electron microscope image

Parts of a microscope Eyepiece Nosepiece Arm Stage Diaphragm Base

Parts of a microscope: Eyepiece -Magnifies the object 10x -Can be 1 or 2 eyepieces present

Parts of a microscope: Nosepiece Objective lenses (4x, 10x, 40x) -Holds the lenses

Parts of a microscope: Stage elements Stage Clips—holds the slide in place Diaphragm—controls the amount of light

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

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.

How to see a slide Put on low power Put slide on stage/center Coarse focus Fine focus Light adjustments