Unit 1-3 Notes Mr. Hefti – Pulaski Biology

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Presentation transcript:

Unit 1-3 Notes Mr. Hefti – Pulaski Biology Parts of a Microscope Unit 1-3 Notes Mr. Hefti – Pulaski Biology

sperm cells & household dust

Eyepiece (ocular lens) Lens you look through Usually 10X in power

butterfly eggs & mushroom spores

Nosepiece Revolves Allows you to change objectives

ant holding microchip & microchip

Objectives Low, medium, and high power lenses Usually 4X, 10X, and 40X in power

eyelashes & strawberry

Stage Where you place the specimen to be observed

tarantula‘s eyes & cut hairs on razor

Stage clips Holds specimen or slide in place Do not bother with these because they will get in your way!

nylon & moth’s “mouth”

Diaphragm Adjusts amount of light shining on specimen

bacteria on tongue & Velcro

Adjustment knobs Bring image into focus Coarse used for low power Fine used for medium and high power

mosquito’s head & head lice

Arm and Base Structural parts that you hold when transporting microscopes

rust on nail & cauliflower florets