The Microscope

Question 1

This is also known as the body. It carries the optical parts in the upper part of the microscope.

Answer 1

Head

Question 2

It acts as microscopes support. It also carries microscopic illuminators.

Answer 2

Base

Question 3

Connects the base and the head. It gives support to the head of the microscope.

Answer 3

Arms

Question 4

The section in which the specimen is placed for viewing.

Answer 4

Stage

Question 5

Have stage clips that hold the specimen in place

Answer 5

Stage

Question 6

In this stage, it is the most common stage where it uses mechanical knobs to move them to control and position the slides more accurately.

Answer 6

Mechanical Stage

Question 7

Knobs used to focus the microscope

Answer 7

Adjustment Knobs

Question 8

Two types of Adjustment Knobs

Answer 8

Fine Adjustment, Coarse Adjustment

Question 9

Lenses that are used to collect light and focus it from the illuminator into the specimen

Answer 9

Condenser

Question 10

Found under the stage next to the diaphragm

Answer 10

Condenser

Question 11

Ensures clear and sharp images with high magnifications of 400x above

Answer 11

Condenser

Question 12

More sophisticated microscopes use this as it has a high magnification of 1000x

Answer 12

Abbe Condenser

Question 13

One magnifying lens

Answer 13

Simple Microscope

Question 14

Magnifying glass is an example of a … Microscope

Answer 14

Simple Microscope

Question 15

Images under a magnifying glass is usually… larger

Answer 15

3x to 20x

Question 16

More than one magnifying lens

Answer 16

Compound Microscope

Question 17

Usually magnifies objects about 1000x

Answer 17

Compound Microscope

Question 18

Photos taken through a compound microscope

Answer 18

photomicrographs

Question 19

It is the wavelength of … that limits the size of objects under a compound light microscope

Answer 19

visible light (~0.45 micrometer)

Question 20

Cannot be seen through a compound microscope if the object is…

Answer 20

smaller than half the wavelength size (or smaller than 0.225microm)

Question 21

Uses a beam as a source of illumination and magnetic fields to focus the beam

Answer 21

Electron Microscope

Question 22

Two types of Electron Microscopes

Answer 22

TEMs, SEMs

Question 23

Tall column, an electro gun fires a beam of electrons downward.

Answer 23

TEM

Question 24

When a specimen that is lesser than 1 micrometer is placed into the beam, some electrons are transmitted through and some are blocked

Answer 24

TEM

Question 25

A shorter column, it is placed at the bottom of the column after being coated with a conductive metal such as a gold-palladium alloy

Answer 25

SEM