BIOLOGY
CELLS
BASIC UNITS OF LIFE
___
By EasyLearning
INTRODUCTION
Cell: building block that makes up living organisms
Types of microscopes:
● Light microscopes (class microscopes)
● Electron microscopes (can zoom in even more than a light microscope, uses electrical
fields to magnify)
Light microscopes
Micrograph: photo taken through a microscope
, 2
Microscope care
● Carry microscope holding arm and base.
● Don't touch the lenses.
● Only use lens paper to clean the glass.
● Start with the weakest objective lens, and work your way up if needed.
● When finished, turn nosepiece to the weakest objective using coarse adjustment.
● Put dust cover over microscope.
● Clean up.
● When using microscope, turn on light or adjust mirror
● Place slide on stage
CELLS
BASIC UNITS OF LIFE
___
By EasyLearning
INTRODUCTION
Cell: building block that makes up living organisms
Types of microscopes:
● Light microscopes (class microscopes)
● Electron microscopes (can zoom in even more than a light microscope, uses electrical
fields to magnify)
Light microscopes
Micrograph: photo taken through a microscope
, 2
Microscope care
● Carry microscope holding arm and base.
● Don't touch the lenses.
● Only use lens paper to clean the glass.
● Start with the weakest objective lens, and work your way up if needed.
● When finished, turn nosepiece to the weakest objective using coarse adjustment.
● Put dust cover over microscope.
● Clean up.
● When using microscope, turn on light or adjust mirror
● Place slide on stage
