The Microscope.

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Presentation transcript:

The Microscope

Compound Microscope Robert Hooke – 1665 Piece of cork Observation – cells are filled with juices

Anton Van Leeuwenhoek 1670 – pond water Discovered animalcules Now called microorganisms

Two Types of Microscopes Light Glass lens and light rays Electron Electrons instead of light

Parts Arm Base Oculars Objectives Stage Coarse Adjustment Fine Adjustment Light Source

Procedures for Transport Two hands!!!! Arm Base

Using the Microscope Start on 4x scanning objective! Use Coarse Adjustment After focus you can move up in magnification to 10X Use Fine adjustment

Storing Microscopes Turn off light source Wrap cord around bottom of arm Lower stage 4X objective Cover

Magnification To determine your magnification…you just multiply the ocular lens by the objective lens Ocular 10x Objective 40x:10 x 40 = 400 So the object is 400 times “larger” Objective Lens have their magnification written on them. Ocular lenses usually magnifies by 10x