MICROSCOPE PARTS PARTS OF THE COMPOUND LIGHT MICROSCOPE

MICROSCOPE PARTS

PARTS OF THE COMPOUND LIGHT MICROSCOPE Do you know some of these parts? Label as many parts as you can using the terms provided. revolving nosepiece arm diaphragm ocular lens / eyepiece condenser objective lenses stage clips body tube base light source / illuminator coarse adjustment knob stage fine adjustment knob A G K J L M E B F C H I D

PARTS OF THE COMPOUND LIGHT MICROSCOPE A ocular lens/eyepiece B body tube G stage clips K stage J condenser L diaphragm M light source/ E illuminator objective lenses F revolving/rotating nosepiece C arm H coarse adjustment knob I fine adjustment knob D base

PARTS OF THE COMPOUND LIGHT MICROSCOPE Ocular Lens / Eyepiece A magnify the image of • Contains a lens to _______ the specimen. 10 X. • The usual magnification is ___

PARTS OF THE COMPOUND LIGHT MICROSCOPE Ocular Lens / Eyepiece A magnify the image of • Contains a lens to _______ the specimen. 10 X. • The usual magnification is ___ • Some microscopes have two ___ ocular lenses.

PARTS OF THE COMPOUND LIGHT MICROSCOPE Body Tube B connects the eyepiece to the objective • It ____ lenses. • It ensures the correct alignment ____ of the microscope components to correctly direct the light from the specimen into _____ the viewer’s eye.

PARTS OF THE COMPOUND LIGHT MICROSCOPE Arm C connects the body tube to the base. • It ____ • One hand ____ should be around the arm when _______ carrying the microscope (the other should be under the base ____).

PARTS OF THE COMPOUND LIGHT MICROSCOPE Arm C connects the body tube to the base. • It ____ • One hand ____ should be around the arm when _______ carrying the microscope (the other should be under the base ____).

PARTS OF THE COMPOUND LIGHT MICROSCOPE Base • It ____ supports the weight of the microscope. light source • It contains the electronics _____ and _____. • One hand should be under _____ the base while _______ carrying the microscope (the other hand should be holding the arm). D

PARTS OF THE COMPOUND LIGHT MICROSCOPE Base • It ____ supports the weight of the microscope. light source • It contains the electronics _____ and _____. • One hand should be under _____ the base while _______ carrying the microscope (the other hand should be holding the arm). D

PARTS OF THE COMPOUND LIGHT MICROSCOPE Light Source / Illuminator • It sends light upwards _______ through the condenser lens and through the ____ hole in _______ the stage onto the specimen ____ on the slide. E

PARTS OF THE COMPOUND LIGHT MICROSCOPE Light Source / Illuminator mirror • It sends light upwards _______ through the • condenser lens and through the ____ hole in _______ the stage onto the specimen ____ on the slide. Older microscopes used to use mirrors ______ to ______ reflect the ambient light upwards. E

PARTS OF THE COMPOUND LIGHT MICROSCOPE Revolving/Rotating Nose Piece F bjective lenses are attached to it. • Theo_______ • Rotating _______ the nose piece allows you to switch _____ between the different lenses.

PARTS OF THE COMPOUND LIGHT MICROSCOPE Objective Lenses Low (scanning) 4 X Medium 10 X G High 40 X • These lenses further magnify _______ the image of the specimen. 4 X , 10 X • The magnifications are usually ____ 40 X. and ____ 3 lenses • There are usually __

PARTS OF THE COMPOUND LIGHT MICROSCOPE Objective Lenses G • These lenses further magnify _______ the image of the specimen. 4 X , 10 X • The magnifications are usually ____ 40 X. and ____ 3 lenses but some have __ • There are usually __ 4 lenses.

PARTS OF THE COMPOUND LIGHT MICROSCOPE Objective Lenses Low Medium High G • As the power increases, the magnification becomes larger _____ , but the field of view smaller (visible area) becomes _______.

PARTS OF THE COMPOUND LIGHT MICROSCOPE Coarse Adjustment Knob H first knob you should use, and always • The ____ high power. under low ___ power. Never use it in ____

PARTS OF THE COMPOUND LIGHT MICROSCOPE Fine Adjustment Knob H I first knob you should use, and always • The ____ • • high power. under low ___ power. Never use it in ____ The second ______ knob you should use under higher power for ______ exact focusing. stage up and down Both knobs move the _____ to help put the specimen in focus _____.

PARTS OF THE COMPOUND LIGHT MICROSCOPE Fine Adjustment Knob H I • Some microscopes have the two knobs on top of the other located one __________. • The smaller one on the bottom is always fine adjustment knob. the ____

PARTS OF THE COMPOUND LIGHT MICROSCOPE Stage J slide • The stage is where you place the ____ • which contains the specimen ____. hole that allows light It contains a ____ to pass through the stage and onto the specimen.

PARTS OF THE COMPOUND LIGHT MICROSCOPE Stage Clips K J slide • The stage is where you place the ____ • which contains the specimen ____. hole that allows light It contains a ____ to pass through the stage and onto the specimen. secure the slide on the • The stage clips ______ stage.

PARTS OF THE COMPOUND LIGHT MICROSCOPE Condenser Lens • The lens under the stage that focuses light from the illuminator ______ through to the hole ____ in the stage. L

PARTS OF THE COMPOUND LIGHT MICROSCOPE Diaphragm • The lens under the stage that focuses light from the illuminator ______ through to the hole ____ in the stage. L M • It contains a dial that rotates toadjust _____ the amount of light that reaches the specimen. _______

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Created by Anh-Thi Tang – Tangstar Science Copyright © April 2013 Anh-Thi Tang (a. k. a. Tangstar Science) All rights reserved by author. This document is for personal classroom use only. This entire document, or any parts within, may not be electronically distributed or posted to any website.