The document provides information about the history and types of microscopes. It discusses that the first compound microscope was created in 1590 and that Robert Hooke used one in 1655 to observe pores in cork, which he called "cells". It also describes Antoine van Leeuwenhoek as the first person to observe single-celled organisms with a microscope. The document outlines different types of microscopes including simple, compound, stereoscopic, transmission electron, and scanning electron microscopes. It provides details on microscope parts and how to focus a microscope by placing a slide, using the coarse and fine focusing knobs.
22. Microscope Vocabulary
• Magnification: increase of
an object’s apparent size
• Resolution: power to show
details clearly
• Both are needed to see a
clear image 7
44. Types of Microscopes
• 1. Compound Light Microscope
–1 st type of microscope, most
widely used
11
45. Types of Microscopes
• 1. Compound Light Microscope
–1 st type of microscope, most
widely used
–light passes through 2 lenses
11
46. Types of Microscopes
• 1. Compound Light Microscope
–1 st type of microscope, most
widely used
–light passes through 2 lenses
–Can magnify up to 2000x
11
53. Types of Microscopes
• 2. Electron Microscope
–Used to observe VERY small
objects: viruses, DNA, parts
of cells
14
54. Types of Microscopes
• 2. Electron Microscope
–Used to observe VERY small
objects: viruses, DNA, parts
of cells
–Uses beams of electrons
rather than light
14
55. Types of Microscopes
• 2. Electron Microscope
–Used to observe VERY small
objects: viruses, DNA, parts
of cells
–Uses beams of electrons
rather than light
–Much more powerful 14
109. • Always carry with 2 hands
• Only use lens paper for cleaning
31
110. • Always carry with 2 hands
• Only use lens paper for cleaning
• Do not force knobs
31
111. • Always carry with 2 hands
• Only use lens paper for cleaning
• Do not force knobs
• Always store covered
31
112. • Always carry with 2 hands
• Only use lens paper for cleaning
• Do not force knobs
• Always store covered
• Keep objects clear of desk and cords
31
129. • Place the Slide on the
Microscope
• Use Stage Clips
33
130. • Place the Slide on the
Microscope
• Use Stage Clips
• Click Nosepiece to the lowest
(shortest) setting
33
131. • Place the Slide on the
Microscope
• Use Stage Clips
• Click Nosepiece to the lowest
(shortest) setting
• Look into the Eyepiece
33
132. • Place the Slide on the
Microscope
• Use Stage Clips
• Click Nosepiece to the lowest
(shortest) setting
• Look into the Eyepiece
• Use the Coarse Focus
33
135. • Follow steps to focus using low power
• Click the nosepiece to the longest objective
34
136. • Follow steps to focus using low power
• Click the nosepiece to the longest objective
• Do NOT use the Coarse Focusing Knob
34
137. • Follow steps to focus using low power
• Click the nosepiece to the longest objective
• Do NOT use the Coarse Focusing Knob
• Use the Fine Focus Knob to bring the slide
34
138. • Follow steps to focus using low power
• Click the nosepiece to the longest objective
• Do NOT use the Coarse Focusing Knob
• Use the Fine Focus Knob to bring the slide
34