Microscope

Question 1

With what can cells be seen and why

Answer 1

With an expensive instrument , microscope - they are too small for the eye / maginifyung glass

Question 2

What does the microscope allow us to see

Answer 2

Things in greater detail

Question 3

Who was Anton van Leeuwenhoek

Answer 3

Dutch microscope maker , first person to see living cells

Question 4

Who was Matthias scheledian

Answer 4

German botanist , discovered all plants were made of cells

Question 5

Who was Theodore Schwann

Answer 5

Showed all animals made of cells

Question 6

What is a dissecting microscope

Answer 6

View larger specimens , shows organism as a whole

Question 7

What is a compound microscope

Answer 7

Shows cells , collects light to view objects

Question 8

What is an electron microscope

Answer 8

Shows greater detail of cells. Uses higher maginification

Question 9

What so lenses do

Answer 9

Magnify image on small objects

Question 10

Where are the lenses

Answer 10

At both ends of body tube

Question 11

Where is the lens at which you look through and what is it called

Answer 11

Top of the body tube called the eyepiece / occulsr lense

Question 12

What are the lenses at the top of body tube called

Answer 12

Objective lense

Question 13

There are usually 3 objective lenses on a round part called what

Answer 13

Nosepiece

Question 14

What does a nosepiece do

Answer 14

It turns so you can see objective lenses with different magnifications

Question 15

What is the number on the side of each objective lense

Answer 15

The magnification

Question 16

Describe the shortest lense and what’s it called

Answer 16

Lowest magnification , the low power objective lense

Question 17

Describe the longest objective lens and what it is called

Answer 17

Has the highest magnification , called the high power objective lense

Question 18

Where are the focusing nobs

Answer 18

On the side of a microscope

Question 19

What is the larger focusing nob called

Answer 19

Coarse adjustment knob

Question 20

What is the smaller focusing nob called

Answer 20

Fine adjustment knob

Question 21

What is the platform called

Answer 21

The stage

Question 22

What do the two stage clips do

Answer 22

Hold a slide in place so that the object on the slide is placed directly over the hole in the middle of the stage

Question 23

Where is the light source

Answer 23

Underneath the stage below the diagroham

Question 24

What does the diaphragm do

Answer 24

Controls amount of light over hole

Question 25

Where is the condenser lens

Answer 25

Above the diaphragm

Question 26

What does the condenser lens do

Answer 26

Concentrates the light from the light source into a very bright beam

Question 27

What does the bright beam do

Answer 27

Shines up through the hole in the stage

Question 28

What is the eyepiece

Answer 28

The lense you look through at the top

Question 29

What is the stage

Answer 29

A flat platform where you place slides for viewing

Question 30

What is the stage clips

Answer 30

Holds the slide in place

Question 31

What is the diaphragm

Answer 31

Used to vary intensity and amount of light

Question 32

What is the lower power objective

Answer 32

Lense with the lowest power magnification

Question 33

What is the coarse adjustment knob

Answer 33

Moves stage up and down for initial focusing

Question 34

What is the fine adjustment knob

Answer 34

It adjusts the focus

Question 35

What is the high power objective

Answer 35

Has the greatest amount of magnification

Question 36

What is a compound lense

Answer 36

Uses 2 lenses an eyepiece lense and objective lense to maginify object ( each lense has its own maginifying power)

Question 37

What is does the total maginifying power

Answer 37

Power of eyepiece lense x power of objective lense

Question 38

Why does an onion cell have no chloroplast

Answer 38

It is underground , there is no photosynthesis

Question 39

What are the bodies of most organisms made of

Answer 39

Building blocks called cells