1. MicroscopeFunctionMagnifies up to… ______________ microscope Uses light. __________ ______________ microscope Light cannot pass. _________ ______________ microscope Uses electrons __________ 1000X 40X 500,000X COMPOUND LIGHT STEREO ELECTRON Also known as ______________ scope DISSECTING COMPOUND LIGHTSTEREOSCOPEELECTRON MICROSCOPE

2. LIGHT MICROSCOPE eyepiece Arm Stage Course Adjustment Fine Adjustment Base Diaphragm Light Source Stage Clips Turrett Focus Objective High Power Objective Low Objective Body Tube

3. 1. 2. 3. 4. 5. 14. 6. 7. 8. 9. 12. 11. 10. 13. EYEPIECE BODYTUBE TURRETT LOW POWER OBJECTIVE STAGE DIAPHRAGM LIGHT SOURCE BASE FOCUS OBJECTIVE ARM FINE ADJUSTMENT COURSE ADJUSTMENT STAGE CLIPS HIGH POWER OBJECTIVE

4. The focus objective focuses __________ The low power objective focuses _______ The high power objective focuses _______ Keep in mind, there is also a lens in the EYEPIECE that focuses __________ “ON TOP OF” the magnification of the objective lenses. Therefore, _____________________________would be: _______________ X _________________ Practice: EYEPIECE X OBJECTIVE = TOTAL MAGNIFICATION TOTAL MAGNIFICATION OF FOCUS POWER __________ X __________ = ______________ TOTAL MAGNIFICATION OF LOW POWER __________ X __________ = ______________ TOTAL MAGNIFICATION OF HIGH POWER __________ X __________ = ______________ 4X 10X 40X 10X TOTAL MAGNIFICATION EYEPIECE OBJECTIVE 10440 X 10 X 100 X 10 X40 X400 X

5. Where you place your eye. Contains ______ ______ that usually magnifies ______. Tube that supports the ______ _______ and connects it to the _________________. ONE LENS 10x EYE PIECE TURRETT/NOSE PIECE

6. ______________ that magnify objects to varying __________. FOCUS OBJECTIVE:_______________________ LOW POWER OBJECTIVE:_______________________ HIGH POWER OBJECTIVE:_______________________ Holds the _____________ in place SLIDE LENSES “POWERS” SHORTEST LENS (4X) ONLY USED FOR SCANNING SMALL LENS (10 X) LOW MAGNIFYING POWER LONGEST LENS (40 X) HIGH MAGNIFYING POWER

7. Supports the _____________ Knobs that make adjustments to the ______________ COURSE ADJUSTMENT _________________________ _________________________ _________________________ FINE ADJUSTMENT _________________________ _________________________ _________________________ MICROSCOPE FOCUS MAKES LARGE ADJUSTMENTS USED WITH FOCUS AND LOW POWER OBJECTIVES MAKES SMALL ADJUSTMENTS USED WITH HIGH POWER OBJECTIVE ONLY

8. Directs light up through the ______________ and through the ______________ so that it may be ______________ DIAPHRAGM SPECIMEN VIEWED

9. Supports the __________________ SLIDE/SPECIMEN

10. Also known as the _______________. It is the rotating device that holds the _____________/ (_________). TURRETT OBJECTIVES LENSES

11. An adjustable ________________ under the stage, allowing different __________ of __________ onto the stage. OPENING AMOUNTS LIGHT

12. arm - this attaches the eyepiece and body tube to the base. base - this supports the microscope. body tube - the tube that supports the eyepiece. coarse focus adjustment - a knob that makes large adjustments to the focus. diaphragm - an adjustable opening under the stage, allowing different amounts of light onto the stage. eyepiece - where you place your eye. fine focus adjustment - a knob that makes small adjustments to the focus (it is often smaller than the coarse focus knob). high-power objective - a large lens with high magnifying power. inclination joint - an adjustable joint that lets the arm tilt at various angles. low-power objective - a small lens with low magnifying power. mirror (or light source) - this directs light upwards onto the slide. revolving nosepiece - the rotating device that holds the objectives (lenses). stage - the platform on which a slide is placed. stage clips - metal clips that hold a slide securely onto the stage. ____________________________________________________ ______________________________________________________________ _____________________________________________________________ __________________________________________________________ ____________________________________________________ ________________________________________________________ ____________________________________________________ __________________________________________________________ ____________________________________________________

13. arm - this attaches the eyepiece and body tube to the base. base - this supports the microscope. body tube - the tube that supports the eyepiece. coarse focus adjustment - a knob that makes large adjustments to the focus. diaphragm - an adjustable opening under the stage, allowing different amounts of light onto the stage. eyepiece - where you place your eye. fine focus adjustment - a knob that makes small adjustments to the focus (it is often smaller than the coarse focus knob). high-power objective - a large lens with high magnifying power. inclination joint - an adjustable joint that lets the arm tilt at various angles. low-power objective - a small lens with low magnifying power. mirror (or light source) - this directs light upwards onto the slide. revolving nosepiece - the rotating device that holds the objectives (lenses). stage - the platform on which a slide is placed. stage clips - metal clips that hold a slide securely onto the stage.