Microscope Flashcards
With what can cells be seen and why
With an expensive instrument , microscope - they are too small for the eye / maginifyung glass
What does the microscope allow us to see
Things in greater detail
Who was Anton van Leeuwenhoek
Dutch microscope maker , first person to see living cells
Who was Matthias scheledian
German botanist , discovered all plants were made of cells
Who was Theodore Schwann
Showed all animals made of cells
What is a dissecting microscope
View larger specimens , shows organism as a whole
What is a compound microscope
Shows cells , collects light to view objects
What is an electron microscope
Shows greater detail of cells. Uses higher maginification
What so lenses do
Magnify image on small objects
Where are the lenses
At both ends of body tube
Where is the lens at which you look through and what is it called
Top of the body tube called the eyepiece / occulsr lense
What are the lenses at the top of body tube called
Objective lense
There are usually 3 objective lenses on a round part called what
Nosepiece
What does a nosepiece do
It turns so you can see objective lenses with different magnifications
What is the number on the side of each objective lense
The magnification
Describe the shortest lense and what’s it called
Lowest magnification , the low power objective lense
Describe the longest objective lens and what it is called
Has the highest magnification , called the high power objective lense
Where are the focusing nobs
On the side of a microscope
What is the larger focusing nob called
Coarse adjustment knob
What is the smaller focusing nob called
Fine adjustment knob
What is the platform called
The stage
What do the two stage clips do
Hold a slide in place so that the object on the slide is placed directly over the hole in the middle of the stage
Where is the light source
Underneath the stage below the diagroham
What does the diaphragm do
Controls amount of light over hole
