Download Microscope Handout - Paint Valley Local Schools

Name __________________ Date _________________ Period _______ # _____
Microscope Handout
Label the following parts of the microscope. Use pages 21-22 and 1070-1071 to complete this
worksheet.
Body tube
arm - attaches the eyepiece and body tube to high-power objective - a large lens
the base
base - supports the microscope
body tube - tube that supports the eyepiece
coarse adjustment knob - a knob that
makes large adjustments to the focus
diaphragm - an adjustable opening under
the stage, allowing different amounts of light
onto the stage
eyepiece/ocular - where you place your eye
fine adjustment knob - a knob that makes
small adjustments to the focus (it is often
smaller than the coarse adjustment knob)
with high magnifying power
low-power objective - a small lens
with low magnifying power
mirror (or light source) - this directs
light upwards onto the slide
revolving nosepiece - rotating device
that holds the objectives (lenses)
stage - the platform on which a slide is
placed
stage clips - metal clips that hold a slide
securely onto the stage
Name __________________ Date _________________ Period _______ # _____
Microscope Care & Using the Compound Light Microscope (10 steps)
Procedure for Making a Wet Mount Slide (4 steps)
Calculating the Total Magnification of a Specimen
___________________ x ____________________ = Total Magnification
Example Problem
You have focused a Streptococcus bacterium on the microscope. The ocular
lens is 10 X and the objective is on medium power (10X). What is the total
magnification of this bacterium? Show your work.
Types of Microscopes & Their Uses (Give the use and magnification
power of each type.)
1. Compound Light Microscope 2. Dissecting Scope (Stereomicroscope)3. Scanning Electron Microscope (SEM) -
4. Transmission Electron Microscope (TEM) -