Shared Flashcard Set

Details

Microscopes
N/A
22
Science
9th Grade
09/13/2009

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Cards

Term
Compound light microscope
Definition
*uses glass lens that focus light passing through objectives
*magnifies up to 2,000x
*used in most biology classes
Term
Resolving power/ resolution
Definition
the ability of a microscope to distinguish 2 objects as being seperate
Term
Electron microscope
Definition
*has greater detail than compound light microscope
*uses beam of electrons rather than a beam of light to illuminate the object
Term
Transmission Electron microscope
Definition

*non-living specimens only

*magnifies up to 3000,000X

*helped reveal details of how cell parts function

Term
Scanning Electron microscope
Definition

*creates 3D image

*magnifies up to 200,000X

Term
Dissecting microscope is also called
Definition
stereomicroscope
Term
Dissecting microscope
Definition

*used for viewing large objects throught which light cant pass

*magnifies 10X-60X

*often binocular

Term
GWTTLCP
Definition
gather
wrap
tuck
tuck
leave on low
cover
put away
Term
clip
Definition
holds the slides in place
Term
low power objective
Definition
lens used to locate the specimen
Term
coarse adjustment
Definition
used for first focusing
Term
nosepiece
Definition
rotating piece that holds objective lens
Term
mirror
Definition
reflects light to the specimen
Term
stain
Definition
chemical sometimes used to make a specimen visible
Term
high power objective
Definition
lens that allows greater magnification
Term
diaphram
Definition
regulates the amount of light
Term
base
Definition
the microscope rests on this
Term
fine adjustment
Definition
used for final focusing
Term
ocular
Definition
eyepiece
Term
stage
Definition
platform upon which to mount the slide
Term
bodytube
Definition
holds eyepiece lens at the top and the objective lens at the bottom
Term
arm
Definition
holds the tube and stage and attaches them to the base
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