Lesson 2 Microscopy

Question 1

also known as the light optical microscope, uses visible light and a system of lenses to magnify the small images up to 2,000 times.

Answer 1

Optical microscopy

Question 2

are family of tools used to make images of nanoscale surfaces and structures, including atoms.

Answer 2

Scanning Probe Microscopes

Question 3

a technique for obtaining high resolution images of biological and non-biological specimens

Answer 3

Electron Microscopy (EM)

Question 4

the electron beam passes through the specimen and is scattered according to the density of the different parts.

Answer 4

Transmission Electron microscope

Question 5

provides vivid, sometimes startling, three-dimensional images of surface structure.

Answer 5

Scanning Electron Microscope

Question 6

an instrument that is used to view magnified images of small specimens on a glass slide

Answer 6

Compound Microscope

Question 7

part that is looked through at the top of the compound microscope

Answer 7

Eyepiece

Question 8

holds & connects the eyepieces to the objective lenses.

Answer 8

Monocular or Binocular Head

Question 9

Supports the microscope head and attaches it to the base.

Answer 9

Arm

Question 10

Holds the objective lenses & attaches them to the microscope head.

Answer 10

Nosepiece

Question 11

Bottom base of the microscope that houses the illumination & supports the compound microscope.

Answer 11

Base

Question 12

There are usually 3-5 optical lens objectives on a compound microscope each with different magnification levels. 4x, 10x, 40x, and 100x are the most common

Answer 12

Objective lenses

Question 13

The object used to hold the specimen in place along with slide covers for viewing

Answer 13

Specimen or slide

Question 14

Clips on the stage that hold the slide in place on the mechanical stage.

Answer 14

Stage clips

Question 15

platform upon which the specimen or slide are placed

Answer 15

Stage or Platform

Question 16

Disc or Iris Diaphragm: Circular opening in the stage

Answer 16

Aperture

Question 17

lens condenses the light from the base illumination and focuses it onto the stage.

Answer 17

Abbe Condenser

Question 18

Adjusts the focus of the microscope

Answer 18

Coarse and fine adjustment controls

Question 19

Adjusts the position of the mechanical stage vertically & horizontally.

Answer 19

Stage height adjustment

Question 20

Reflects light into the base of the microscope

Answer 20

Mirror

Question 21

used to illuminate the slide or specimen from the base of the microscope.

Answer 21

Illumination

Question 22

Knob used to adjust the amount of light that reaches the specimen or slide from the base illumination.

Answer 22

Bottom Lens