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Bio Ch. 1.4 Terms
Terms and definitions fo chapter one section four.
| Term | Definition |
|---|---|
| Compound Light Microscope | a microscope that uses light to illuminate a specimen that is then magnified by two lenses |
| Eyepiece (ocular lens) | a part of a compound light microscope that magnifies and image, usually ten times, also called an ocular lens |
| Objective Lens | the part of a compound light microscope that is located directly above the specimen and that magnifies the image of the specimen |
| Stage | a platform of a compound light microscope that supports the slide holding the specimen |
| Light Source | a light bulb that provides light for viewing the image |
| Magnification | increase of an object's apparent size by using lenses or mirrors |
| Nosepiece | the part of a compound light microscope that holds the objective lenses in place above the specimen |
| Resolution | the ability in microscopes to form images with fine detail |
| Scanning Electron Microscope (SEM) | a microscope that produces an enlarged, three-dimensional image of an object by using a beam of electrons rather than light ( abbreviation SEM) |
| Transmission Electron Microscope (TEM) | a microscope that transmits a beam of electrons through a very thin slice of specimen and that can magnify up to 200,000 times (abbreviation TEM) |
| Metric System | a decimal-based standard system of measurement that is used by scientists; similar to the Systeme Internationale (abbreviation SI) |
| Base Unit | one of the fundamental units of measurement that descries length, mass, time, and other quantities and from which other units are derived |
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MontgomeryA17
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