Microscope Parts & Usage

Contains the magnifying lens you look through.

EYEPIECE

Which objective lens would you use for first focusing the object?

SCANNING

Scientist known for contributing to the third part of the ‘Cell Theory’

which states that all cells come from other cells.

VIRCHOW

Maintains the proper distance between the

eyepiece and the objective lenses.

BODY TUBE(BARREL)

Which adjustment knob should be used on scanning power?

COARSE ADJUSTMENT KNOB

Scientist who observed “animalcules”, also

known as bacteria and protozoan.

Van LEEUWENHOEK

Supports the body tube and stage; used to carry

the microscope.

ARM

Statements about cells that apply to all living things

developed with use of the microscope.

CELL THEORY

Which adjustment knob should be used while on

high power?

FINE ADJUSTMENT KNOB

Scientist who observed the first cells and came up with the word ‘cells’.

HOOKE

Located on the stage, holds the slide in place.

STAGE CLIPS(SLIDE CLIPS)

The name for a microscope with one

ocular lens (eyepiece).

MONOCULAR

Scientist who studied plant cells and helped

contribute to the ‘Cell Theory’.

SCHLEIDEN

Moves the stage up and down for focusing an

image; used first when focusing the specimen.

COARSE ADJUSTMENT KNOB

Term used to describe a microscope with two sets

of magnifying lenses.

COMPOUND

Moves the stage slightly to sharpen the focus of

the image; used only with the higher power objective lenses.

FINE ADJUSTMENT KNOB

Scientist who studied animal cells and helped

contribute to the ‘Cell Theory’.

SCHWANN

Provides electricity in order to operate the

microscope.

POWER SWITCH

A tool used to view small objects that cannot be

easily seen by the naked eye.

MICROSCOPE

Holds the objective lenses and allows them to be

rotated during use.

NOSEPIECE

This term is used to describe a microscope

that remains focused on high power once focused

on scanning power.

PARFOCAL

Magnifying lenses located closest to the specimen

being viewed.

OBJECTIVE LENSES

The white circle you see when you look through the eyepiece with the

light turned on.

FIELD OF VIEW(VIEWING CIRCLE)

Allows light to go through the stage, specimen, and the lenses to your eye.

STAGE OPENING(APERTURE)

What is the formula used to calculate total magnification?

OCULAR LENS x THE OBJECTIVE LENS IN USE(ex. 10x times 40x = 400x)

Supports the slide being viewed; should be all the

way up before first focusing the specimen.

STAGE

Scientist given credit for developing the first

microscope.

JANSSEN

Regulates the amount of light allowed through the

specimen and into the body tube.

DIAPHRAGM

Where should you look when changing from the

scanning power to a higher power?

TO THE SIDE OF THE STAGE

(NOT THROUGH THE EYEPIECE)

Provides light necessary to view the specimen.

LAMP(LIGHT SOURCE)

Supports the weight of the entire microscope; used to

carry the microscope.

BASE

Which objective lens provides the greatest

field of view?

SCANNING