Transcript Microscopes

Microscopes
Do Now
September 22th
What is a microscope?
Why is a microscope such an important tool when studying biology?
Types of Microscopes
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Simple- 1 lens
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Compound light- 2 or more lenses, can magnify over 1000 times
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Electron-can magnify over a million times
Bee Face-Electron Microscope
Electron Microscope
History of Microscopes
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1st Century-Romans experimented with glass to magnify objects.
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12th Century-Italian scientist developed first eye glass to give wearer one eye
magnification.
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1590-Ducth scientists developed first compound microscope
History of Microscopes
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1609-Galielo improved the compound microscope
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1665-Robert Hooke published book describing his
observations using the microscope.
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1674-Anton van Leeuwenhoek was the first to use microscope to view living
things Bacteria.
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1931-Started the construction of the first electron microscope.
Robert Hooke
Published Micrographia-describing observation
using the microscope.
Used the microscope to view cells by looking at
cork
Anton van Leeuwenhoek
Father of Microbiology, first person to use the
microscope to view living things (bacteria
Do Now:
September 24
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How do you calculate the total magnification of an objective lens?
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Why should we NOT use the coarse adjustment in high power? Explain using
specific parts of the microscope.
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QUIZ FRIDAY- Parts and functions of the microscope