| A | B |
|---|
| eyepiece/ocular | contains the magnifying lens you look through (usually 10x) |
| body tube | maintains the proper distance between the eyepiece and the objective lens |
| revolving nosepiece | holds low, medium, and high power objective lenses and can be rotated to change magnification |
| high power objective | lens that usually provides 40x magnification |
| low power objective | the shortest objective |
| coarse adjustment knob | moves the body tube up and down for focusing |
| fine adjustment knob | moves the body tube slightly to sharpen the image |
| arm | supports the body tube and is used to carry the microscope |
| stage | supports the slide being viewed |
| stage clips | hold the slide in place |
| diaphragm | regulates the amount of light let into the body tube |
| light | reflects the light upward through the diaphragm, the specimen, and the lenses |
| base | supports the microscope and used to carry |
| medium power objective | magnifies 10X |
| Anton von Leeuwenhoek | saw "wee frolicking beasties" |
| Single celled organisms | what the "wee beasties" really are |
| Hooke | first to use the word "cell" as part of a living thing |
| 1665 | year Hooke published his book with cork "cells" |
| 1673 | year Leeuwenhoek saw protists |
| compound light microscope | a microscope using two lenses to magnify object |
