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Lesson 1.2 & 1.3

QuestionAnswer
Theory an explanation of why & how a specific natural phenomenon occurs
Scientific (natural) laws considered universal & invariable facts of the physical world -doesnt say how or why
Coarse Adjustment Knob moves the stage up and down for FOCUSING
Arm used to SUPPORT the microscope when carried
Light Source projects light UPWARDS through the diaphram the SPECIMEN and the LENSES
Stage supports the SLIDE being viewed
Stage Clips HOLDS the slide in place
Objective lenses magnification ranges from 10x to 40x
Nosepiece holds HIGH and LOW power objective LENSES; can be rotated to change the MAGNIFICATION
Eyepiece contains the OCULAR lens
Microscope an instrument that uses lenses to produce an enlarged, focused image of a specimen
Electron Microscope uses a beam of electrons to create an image
Scanning Electron Microscope (SEM) used to study the surface of a specimen scans a beam of electrons across the surface
Transmission Electron Microscope used to study slices of organisms
Compound Light Microscope uses a series of lenses to magnify objects in steps
Light Microscope light microscopes focus light on a specimen using a mirror or light bulb
Resolution the ability to distinguish between two points as seperate points
Organization a complex system made of many part molecular levels
Fine Adjustment Knob moves the stage slightly to SHARPEN the image
Diaphram regulates the amount of LIGHT on the specimen
Base supports the MICROSCOPE
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