Microscopy Activities Worksheet Flashcards
The arm is located where?
The area between the tube and the base.
How do you properly carry a microscope?
Grip the arm with one hand and place the other hand underneath the base
Where is the base?
The bottom support structure of the microscope.
What is the body? What does it include?
Main section of the microscope minus the base and illuminators. Includes the eyepiece and objective lenses but not focusing block.
What is the Coarse Focus?
The larger of the focusing knob, it adjusts the distance to the specimen in large steps.
Describe the diaphragm and what it does.
Five-hole disc housed under the stage to adjust the amount of light passing through the stage opening.
Describe the stage openings and their role.
Lets light pass through to properly illuminate the specimen, while increasing contrast and resolution.
The eyepiece is made up of what lenses and what magnification levels do they include?
Ocular lenses with magnifications of 5X, 10X ,15X, and 20X.
Which is the Fine Focus, what does it do, and when do you use it?
Smaller of the adjustment knobs that adjusts the distance from the specimen in small steps towards various parts of the a specimen.
What does the Nose Piece hold and what does it do?
Structure that holds the objective lenses. Can be rotated to switch the lense.
How can you identify the objective lens? Which is the scanning lens? What other lenses are there?
Closes lense to the object being viewed. With different lenses at different magnification: Scanning (4X), Low-power (10X), Mid-power (40X), and High-power lense (100X).
On/Off controls what?
Controls the power to the microscope.
What is the stage and what is its function?
Flat plate that holds the slides for observation.
What is the power of the typical eyepiece lens?
Typically 10X.
When would you use a 100X lens?
Within oil immersion.
