Lesson 2.1- The Microscope

Question 1

INSTRUMENT that magnifies tiny objects that are invisible to the naked eye

Answer 1

microscope

Question 2

the science of investigating small objects using ann instrument

Answer 2

microscopy

Question 3

means invisible to the eye unless aidedby a microscope

Answer 3

microscopic

Question 4

who discovered compund microscope

Answer 4

janssen brothers

Question 5

what was the janssen brother’s nationality

Answer 5

dutch

Question 6

who is the father of microscopy

Answer 6

anton van leeuwenhoek

Question 7

who was the first to observe bacteria, yeast, and red blood cells

Answer 7

anton van leeuwenhoek

Question 8

who improved the compund microscope

Answer 8

robert hooke

Question 9

who discovered the cell

Answer 9

robert hooke

Question 10

which microscope has only one lens and provide relatively low magnifying power (2x)

Answer 10

simple

Question 11

which microscope has 2 or more lenses and provide powerfulmagnification

Answer 11

compund

Question 12

provide the light

Answer 12

illuminating parts

Question 13

enlarge the specimen

Answer 13

magnifying parts

Question 14

adjustments and support

Answer 14

mechanica lparts

Question 15

reflects the light from the sourceof the specimen

Answer 15

mirror

Question 16

regulates the amount of light striking the specimen

Answer 16

diaphragm

Question 17

focuses light to the eye; where the observer peeks through

Answer 17

ocular/eyepiece

Question 18

gathers light

Answer 18

objectives

Question 19

enlarge the objects 6x or10x

Answer 19

ocular lens

Question 20

asidefrom gethering light, they magnify the image

Answer 20

objective lenses

Question 21

10x

Answer 21

low power objective

Question 22

40x, 43x,

Answer 22

high power objective

Question 23

100x

Answer 23

oil immersion objective

Question 24

bottommost portion supports the entire weight of the microscope

Answer 24

base

Question 25

part above the base that supports the other parts

Answer 25

pillar

Question 26

allows the microscope of convinience of the user

Answer 26

inclination joint

Question 27

supports the tube and the part that is help them the microscope is carried from one piece to another

Answer 27

arm

Question 28

connects the lenses of the objectives and the ocular

Answer 28

body tube

Question 29

cylindric structure on top of the body that holds the ocular lenses

Answer 29

draw tube

Question 30

is a rotating disc that holds the different objectives and allows for the shifting from one objective to the next

Answer 30

revolving nosepiece

Question 31

lies atop the nosepiece and keeps dust from settling on the objectives

Answer 31

dust shield

Question 32

move the objectives to the bring the specimen in to focus

Answer 32

adjustment screws

Question 33

large knob that moves the body tube faster to focus the specimen

Answer 33

coarse adjustment screws

Question 34

smaller knob that is used to get a sharp focus of the specimen being viewed

Answer 34

fine adjustment screw