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WorksheetsMICROSCOPY PRE-TEST
Total questions: 10
Worksheet time: 6mins
What is part F?
Body
Focus knob
Stage
Stage clips
What is part H?
Stage
Nosepiece
Ocular Lens
Base
What is part E?
eyepiece tube
focus knob
stage
stage clips
The microscopes have three to four ________________ which can give a specific amount of magnification.
Body
Detail
Magnification
Objectives
A microscope is an instrument that_____.
decreases the size of small objects.
increases the size of small objects.
makes faraway objects look closer
makes small objects appear larger.
How do you carry a microscope when you are asked to carry it to the table?
with one hand
by the body tube and the eyepiece
one hand on the arm and the other under the base
with one hand on the base and the other on the eyepiece.
Which part lets you turn up the power of magnification, such as 4x to 10x?
coarse adjustment knob
diaphragm
field-of-view
revolving nosepiece
The lens you look through, closest to the top of the microscope, is called the____.
diaphragm
light source
objective lens
ocular lens
There are several very important rules that must be followed when using a compound light microscope. Which of the following is an example of an INCORRECT technique when using this piece of equipment?
Before starting, rotate the low-power objective lens (the smallest lens) to point at the stage.
Before viewing, move the stage as close to the low power objective lens as possible while viewing from the side
After adjusting the focus with the coarse adjustment knob at the very beginning, you should only adjust the focus with the fine adjustment knob.
When first viewing, rotate the highest power objective lens to point at the stage and look through the ocular lens as you slowly focus with the coarse adjustment knob.
It may seem strange at first, but the correct method for viewing objects with a compound light microscope is to keep both eyes open at all times. This prevents squinting, which can tire out your face muscles after just a few minutes. What is the name of the part of the compound light microscope that you look through with your eye?
diaphragm
objective lens
ocular lens
stage
