HOW TO USE A MISCROSCOPE

There are diferents types of microscope:
-Light microscope: is the microscope that you have in school. The common magnifications are: 440X, 60X, 100X.
-Electron microscope: allow scientist to view a universe too small to be seen with a light microscope. Electron microscope don't use light, they use electrons. Threre are two types:
   ·Scanning electrons microscope: they scan surface.
   ·Transmission electron microscope: the electrons are passed throught very thin samples.

Parts of the microscope: ocular lens, arm, body tube, light, base, diaphragm, objectives, revolving nosepiece, stage clips, coarse adjustment knob, stage and fine adjustment know.

The magnifications:

	Magnification	Ocular lens	TOTAL: magnifications
SCANNING	4	15	60
LOW POWER	10	15	150
HIGH POWER	60	15	900