The Microscope. Mr. Gacc/Bakka BHS. Visit www.worldofteaching.com for more free powerpoints. The History. Many people experimented with making microscopes Was the microscope originally made by accident? (Most people were creating telescopes) The first microscope was 6 feet long!!!
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Visit www.worldofteaching.com for more free powerpoints
The “First” Microscope
made improvements by working on the lenses
Anton van Leeuwenhoek
In 1838, Matthius Schleiden stated all plants are made of cells
Theodor Schwann stated all animals are made of cells .
1. Cells are the basic unit of life
In 1855, Rudolf Virchow further extended the cell theory and added:
3. All cells come from pre-existing cells
Convex Lenses are
curved glass used to make microscopes
(and glasses etc.)
Convex Lenses bend
light and focus it in
inside body tube)
lenses and the ocular lens at the proper distance
Turn to let more light in or to
So the object is 400 times “larger”
Objective Lens have
written on them.
Ocular lenses usually magnifies by 10x
10 - 60x & 3d image
2 types of electron microscopes
Scanning - 3D image of RBCs & insects
or eye lens
Skip to Magnification Section