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MICROSCOPES
vocabulary: microscope parts and use
16
Science
7th Grade
02/02/2010

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Cards

Term
What is the field of view
using a low power objective (40x)?
Definition
4 mm
Term

What is the field of view

using a medium power objective (100x)?

Definition
approximately 2 mm
Term

What is the field of view

using a high power objective (400x)?

Definition
approximately 0.5 mm
Term
magnification
Definition
the ability to make things look larger than they are
Term
resolution
Definition

the ability to distinguish the individual parts of an object

 

to bring things into focus; make them more clear

Term
low power objective
Definition
lens used to locate the specimen
Term
high power objective
Definition
lens that allows greater magnification
Term
revolving nosepiece
Definition

holds objective lenses

 

turn this to change the objectives

Term
diaphragm
Definition

regulates the amount of light

 

adjusts the contrast (between light and dark)

to help view the specimen better

Term
coarse adjustment knob
Definition
use this first for focusing
Term
fine adjustment knob
Definition
used for final focusing
Term
stain
Definition
chemical sometimes used to make the specimen more visible
Term
stage
Definition
platform on which to mount the slide
Term
eyepiece
Definition

look through this to see the specimen

 

also called the ocular

Term
stage clip
Definition
used to hold the slide in place
Term
wet mount slide
Definition

a slide holding a specimen or sample

suspended in a drop of liquid (usually water)

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