Lesson 1

Question 1

contains
optical components.

Answer 1

Head

Question 2

joins the base to the head and the
eyepiece tube to the base. It supports the
microscope’s head and is also used for
carrying the instrument.

Answer 2

Arm

Question 3

Bottom part that serves as a
support for microscopes

Answer 3

Base

Question 4

also referred to as the ocular.
Where you look to see the image of your
specimen

Answer 4

Eyepiece

Question 5

also called turret.
the part that holds two or more objective
lenses and can be rotated to easily
change power

Answer 5

Revolving nosepiece

Question 6

platform where you place
your slides.

Answer 6

Stage

Question 7

The most popular stage is _____, which enables control
of the slides by allowing them to be moved
mechanically on the stage rather than
manually.
7. Fine adjustment

Answer 7

Mechanical stage

Question 8

small, round
knob on the side of the microscope used
to fine-tune the focus of your specimen

Answer 8

Fine adjustment knob

Question 9

large round
knob on the side of the microscope used
for focusing the specimen

Answer 9

Coarse adjustment knob

Question 10

hold the slide in place

Answer 10

Stage clip

Question 11

found under the
microscope’s stage, and its primary
function is to regulate how much light gets
to the specimen.

Answer 11

Iris diaphragm

Question 12

also called microscopic
illuminator. Used to reflect light to the
specimen/source of light: It is located at
the microscope’s base, providing its light
source. It collects light from an outside
source using a low voltage of only 100
volts. It is utilized in place of a mirror.

Answer 12

Illuminator

Question 13

the primary
lenses employed for specimen
visualization. May have (scanner, low
power objective, high power objective, oil
immersion objective)

Answer 13

Objective lenses

Question 14

hole in the stage through
which the base light reached the stage

Answer 14

Aperture

Question 15

used to collect and focus the
light from the illuminator on to the
specimen. Located under the stage often
in conjunction with an iris diaphragm

Answer 15

Condenser

Question 16

known as eyepiece
holder.

Answer 16

Eyepiece tube

Question 17

illuminator intensity
knob/ the intensity of the light/ brightness
adjustment

Answer 17

Rheostat control

Question 18

Used to study morphology of
insects, algae, and fungi,
- Used to study oil type and

Answer 18

Simple microscope

Question 19

bright field microscopes, meaning
that the specimen is lit from
underneath

Answer 19

Compound microscope

Question 20

type of microscope that uses
visible light for illumination and
multiple lenses system for
magnification of specimen.

Answer 20

Compound microscope

Question 21

used to view a variety of samples,
some of which include: blood cells,
cheek cells, parasites, bacteria,
algae, tissue, and thin sections of
organs

Answer 21

Compound microscope

Question 22

microscope that uses accelerated
electron, beams instead of light
rays, to illuminate the specimen
and get the highly magnified
image. In this microscope, glass
lenses are replaced by
electromagnets

Answer 22

Electron microscope

Question 23

Types of electron microscope

Answer 23

TEM
SEM
REM
STEM
STM

Question 24

uses
the reflected beams of
scattered electrons to
develop an image

Answer 24

Rem

Question 25

used to reveal atomic and molecular details of specimen surfaces using a phenomenon of tunneling electrons

Answer 25

Stm

Question 26

Emitted and scattered

Answer 26

Sem

Question 27

3d image

Answer 27

Sem

Question 28

Morphology and topography

Answer 28

Sem

Question 29

20nm

Answer 29

Sem

Question 30

Lower magnification

Answer 30

Sem

Question 31

Transmitted electrons

Answer 31

Tem

Question 32

Morphology only

Answer 32

Tem

Question 33

Very thin sample

Answer 33

Tem

Question 34

Thicker sample

Answer 34

Sem

Question 35

1nm

Answer 35

Tem

Question 36

Higher magnification

Answer 36

Tem

Question 37

Also known as dissecting microscope

Answer 37

Stereo microscope

Question 38

Type of light microscope that is used during dissecting and viewing dissected specimens; can view 3d objects

Answer 38

Stereo microscope

Question 39

They have top light used for dissecting and bottom light used for viewing

Answer 39

Stereo microscope

Question 40

type of microscope that uses reflected light for observing metals to study their structure and organization. It is used to study metallography.

Answer 40

Metallurgical microscope

Question 41

type of light microscope whose objective lenses and turret are below the stage, and the illuminator and condenser are above the stage. In this type, we have to look upward to see the specimen.

Answer 41

Inverted microscope

Question 42

also called petrographic microscopes.

Answer 42

Polarizing microscope

Question 43

uses polarized light to illuminate a specimen and develop its magnified image. It is similar to a regular optical microscope but uses polarized light instead of normal natural light.

Answer 43

Polarizing microscope

Question 44

uses a spatial pinhole to block outof-focus light and uses only light from the plane of focus to develop a 3-D image with higher resolution and image contrast. It is also called a confocal laser scanning microscope

Answer 44

Confocal microscope

Question 45

It is a type of fluorescence microscope that is used to produce 2-D or 3-D images of relatively thick specimens

Answer 45

Confocal microscope

Question 46

modern microscope which is a computerized system combining microscope with camera, monitor and computer software, and processor.

Answer 46

Digital microscope

Question 47

Small portable microscope designed to carry it easily. It is a simple microscope containing an eyepiece, LED as light source and battery for LED operation, a mirror, and a stage for sample holding

Answer 47

Pocket microscope

Question 48

type of low-power digital microscope that is connected to the computer USB port. They use a digital camera with a high-power macro lens that can zoom in up to 200X

Answer 48

Usb microscope