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picture1_1 3 And Chapter 1 Summary


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File: 1 3 And Chapter 1 Summary
exploring life light microscope compound microscope electron microscope the development of microscopes the invention of microscopes enabled people to see details of living things that could not be seen with ...

icon picture PPT Filetype Power Point PPT | Posted on 09 Sep 2022 | 3 years ago
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    Exploring Life
    • light microscope
    • compound microscope
    • electron microscope
  The Development of Microscopes
  • The invention of microscopes enabled 
   people to see details of living things 
   that could not be seen with the unaided 
   eye.
  • One of the first microscopes, invented 
   by Anton van Leeuwenhoek in the late 
   1600s, could magnify an image about 
   270 times its original size.
  The Development of Microscopes (cont.)
  In the early 1700s Robert Hooke used a 
  microscope to observe and name cells 
  for the first time.
      How did microscopes change 
      our ideas about living things?
       Types of Microscopes
       A compound microscope is a light 
       microscope that uses more than one 
       lens to enlarge images up to 1,500 times 
       their original size.
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  Types of Microscopes (cont.)
  • An electron microscope can magnify 
   an image up to 100,000 times or more.
  • Because objects must be mounted in 
   plastic and sliced, a transmission 
   electron microscope (TEM) can only be 
   used to view nonliving objects.
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