Label Microscope Diagram - Download Now DOC

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					      Name ____________________Date ________________Block __________


                       Label Microscope Diagram
         Label the microscope diagram. Then describe the function of each part.
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Name ____________________Date ________________Block __________


                      Use of the Microscope
          Refer to pages 1070 and 1071 to help you fill in the blanks

   The ____________________ microscope contains a combination of lenses.

   The eyepiece lens has a magnification of __________.

   The ____________________ lenses are at the bottom of the body tube and
    can be rotated.

   The ____________________ is the shortest objective and has a
    magnification of __________.

   The longer objective is high power and has a magnification of __________.

   To determine total magnification, ____________________ the magnification
    of the eyepiece (ocular lens) and the magnification of the objective lens. If
    you are viewing a cell under the high power objective, its total magnification is
    __________.

   Use the ____________________ to position the objective lens about 2 cm
    up.

   Begin viewing the specimen under ____________________ power.

   After placing the prepared slide on the stage, use the ___________________
    to hold the slide in place.

   Look at the microscope from the __________. Slowly turn the
    ____________________ knob to lower the low power objective lens just
    above the slide. DO NOT allow the objective to touch the slide!!

FAQs:
Q. What do I do if I can’t see anything?

A. 1.  Adjust the lever of the diaphragm to change the intensity of light.
   2.  Make sure the objective lens is clicked into position.
   3.  Move the side on the stage to center the specimen.
   4.  Turn the coarse adjustment knob so that the body tube is all the way up,
       and try to refocus.
    5. Make sure the cord is plugged in!!
Name ____________________Date ________________Block __________


arm - this attaches the eyepiece and body    inclination joint - an adjustable
tube to the base.                            joint that lets the arm tilt at various
                                             angles.
base - this supports the microscope.
                                             low-power objective - a small lens
body tube - the tube that supports the       with low magnifying power.
eyepiece.
                                             mirror (or light source) - this
coarse focus adjustment - a knob that        directs light upwards onto the slide.
makes large adjustments to the focus.
                                             revolving nosepiece - the rotating
diaphragm - an adjustable opening under      device that holds the objectives
the stage, allowing different amounts of     (lenses).
light onto the stage.
                                             stage - the platform on which a slide
eyepiece - where you place your eye.         is placed.

fine focus adjustment - a knob that         stage clips - metal clips that hold a
makes small adjustments to the focus (it is slide securely onto the stage.
often smaller than the coarse focus knob).

high-power objective - a large lens with
high magnifying power.