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Unit 2: Microscopes and the Cell
Key vocabulary words of microscopes and cells unit.
11
Biology
9th Grade
10/10/2011

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Term
Eyepiece (Ocular Lens)
Definition
Located at the top of the microscope; used to view specimens.
Term
Compound Light Microscope
Definition
Tool used by scientists to help enlarge specimens.
Term
Objective Lens
Definition
Different lenses attached to the nosepiece that has different magnifications (ex. 4x, 10x, & 40x).
Term
Base
Definition

Located at the bottom, this structure is used to carry and support the microscope.

 

Term
Arm
Definition
This structure is used to help transport the microscope. It also connects the body tube to the rest of the microscope.
Term
Nosepiece
Definition
holds all the objectives and can be rotated to provide a different power
Term
Stage
Definition
the flat platform where you place your slides
Term
Course Adjustment Knob
Definition
The larger knob which allows for larger increments of adjustment
Term
Fine Adjustment Knob
Definition
The smaller knob which allows for smaller increments of adjustment; helps to focus the image
Term
Stage Clips
Definition
The clips on the stage which holds the slide in place
Term
Diaphragm
Definition
Controls the amount of light that passes through the specimen.
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