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Intro to the Microscope. Warm-up Pg. _____: Copy these vocab words and definitions into your notebook Microscope : A scientific tool that helps magnify very small objects, like cells Resolution : The sharpness of an image. Eyepiece. Course adjustment knob. Body Tube. Fine adjustment knob.
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Intro to the Microscope • Warm-up Pg. _____: Copy these vocab words and definitions into your notebook • Microscope: A scientific tool that helps magnify very small objects, like cells • Resolution: The sharpness of an image
Eyepiece Course adjustment knob Body Tube Fine adjustment knob Nosepiece Low power lens arm Stage clip High Power Lens Stage Diaphragm Base Light
Eyepiece EYEPIECE Magnifies object 10X’s
High Power lens High Powered Lens Largest lens, 40X’s magnification, smaller viewing field
Base Base One hand here when moving microscope
Stage Stage Holds the slide
Diaphragm Diaphragm Lets in light, can be adjusted
Light Light Electric, must be turned on
Nosepiece nosepiece Holds 2-3 magnification lenses
Stage clip Stageclips Hold slide in place
Low power Lens Low powered lens Smallest lens, 4x’s magnification, Large viewing field
Fine adjustment knob Fine adjustment knob Fine tunes focus – improves resolution
Body Tube Body Tube Removes extra light
Course Adjustment Knob Course adjustment knob moves stage up and down use only on low power
Arm Arm One hand here when moving microscope
Magnification Eyepiece x lens magnification = total magnification 10x’s mag. X 4x’s mag. = 40x’s magnification (the image is 40 times larger then when seen with the unaided eye)
Focusing the Microscope Start on low power lens with stage lowered SLOWLY bring stage up with course adjustment knob until image is visible Adjust the focus and resolution with the fine adjustment knob THEN move to high powered lens Adjust focus with fine adjustment knob ONLY