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Worksheetsmicroscopes
Total questions: 36
Worksheet time: 30mins
When a student finishes using the oil immersion technique they should do which of the following to clean up the microscope?
Turn off and unplug the microscope and put the dust cover on.
Wipe the oil off with a piece of paper towel and some soap. Unplug and put the dust cover on.
Use lens paper and lens cleaner to clean off the oil. Turn off, unplug and put the dust cover on.
Just walk away - the teacher will take care of it.
It is okay to get oil on other lens beside the oil immersion lens.
True
False
Always call your teacher over for assistance before switching to the 100x oil immersion objective lens.
True
False
When you are beginning to focus move the stage to
the lowest position away from the objectives so that you are sure not to break a slide
any position to start, it depends on the size of the specimen
the highest position closest to the low objective
it does not matter where you start focusing
Same length as the 40X High Power Objective but affording a much higher magnification (100X). It needs a special oil to be placed on object studied. Identified by its white banded color.
Scanner
Low power objective
High power objective
Oil immersion objective (OIO)
Can you use the coarse adjustment with the high power (40x) or oil immersion (100x) objectives?
Yes
No
Used to move the stage up and down to focus specimen on low power.
Stage
Stage clips
Diaphragm
Coarse adjustment
Used to focus specimen, smaller adjustment than coarse adjustment
Fine adjustment
Stage
Arm
Base
Lenses used to change the magnification of the specimen
Body Tube
Eyepiece
Objective lenses
Diaphragm
How should a microscope be stored?
with the low power objective in place
without a dust cover
with the stage fully raised
with microscope slides secured to the stage
What should you use to wipe dust off of a microscope lens?
lens paper
paper towel
toilet paper
Kim wipe
Which objective lens should you ALWAYS begin your observation with?
low power objective
medium power objective
high power objective
extra high power objective
Which knob CANNOT be turned when observing a specimen using the high-powered objective?
coarse adjustment
fine adjustment
nosepiece adjustment
objective adjustment
How should a microscope be transported?
by the arm and the base
arm
base
by the cord
When observing a specimen using the 10x eyepiece and the high-powered objective (40x), what is the total magnification that the specimen is being observed?
400X
40X
100X
4000X
Which of the following should you NOT do when handling a microscope?
Only use lens paper for cleaning
Carry with one hand
Always store covered
Be careful of cords
True of False: You should always store microscopes covered.
True
False
True of False: If the adjustment knobs are not turning, you should force them to turn.
True
False
What piece controls the amount of light that enters the microscope ?
Aperture
Diaphragm
Light Source
Arm
What piece is the platform that supports the microscope slide?
Base
Diaphragm
Stage Clips
Stage
