click below
click below
Normal Size Small Size show me how
chapter 1 section 4
tools and techniques
Term | Definition |
---|---|
compound light microscope | Light passes through specimen and then focused by glass lens system |
eyepiece | - lens you look into for viewing magnifies the image 10x |
stage | surface for the slide |
objective lens | enlarges the image of the specimen |
light source | is a light bulb that provides light for viewing the image. |
magnification | is the increase of an objects apparent size |
nosepiece | allows you to change the correct distance between the eye piece and the objective lens |
resolution | the power to show details clearly in an image |
scanning electron microscope | Beam of electrons passes over surface electrons projected onto florescent screen or photo plate |
transmission electron microscope | Bean of electrons passes through a very thinly sliced specimen; magnets used to focus image onto f-screen |
metric system | a decimal system and thus is based on powers of 10 |
base unit | describe length, mass, time, and other quantities in powers of 10 |