
Microscope Focusing Techniques and Procedures

Interactive Video
•
Biology, Science
•
6th - 10th Grade
•
Hard

Lucas Foster
FREE Resource
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6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in preparing the microscope for focusing?
Placing the slide on the stage
Using the coarse focus
Adjusting the light intensity
Turning on the microscope
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you confirm that you are focusing on the correct plane at low power?
By rotating the objective lens
By wiggling the stage to see if the specimen moves
By adjusting the light intensity
By using the fine focus knob
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should you do after focusing at 10x before moving to 40x?
Apply immersion oil
Use the coarse focus again
Turn off the microscope
Rotate the 40x objective into place
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When focusing at 40x, how much should you turn the fine focus knob?
Half a rotation
One complete rotation
More than two complete rotations
As much as needed
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of applying immersion oil before using the 100x objective?
To clean the slide
To increase light intensity
To protect the lens
To improve resolution and focus
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should you do after finishing your observation at 100x?
Leave the microscope as is
Lower the stage and clean the microscope
Remove the slide and store it
Turn off the light
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