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27 Cards in this Set
- Front
- Back
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Microscopes:
A simple Microscope |
Has ONE lens, uses LIGHT, and has a MAGNIFYING glass.
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Microscopes:
A compound Microscope |
Has TWO lenses has a LIGHT SOURCE, and a MIRROR/LIGHTBUlB
(1000x) |
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Microscopes:
Transmission Electron Microscope (TEM) |
Sends beams of electrons through a thinly sliced specimen.
(150,000x) |
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Microscopes:
Scanning Electron Microscope (SEM) |
3D, and scans the surface of the specimen to create the image.
(150,000-200,000x) |
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Microscopes:
Scanning Tunneling Microscope (STM) |
3D, scans the surface
(1,000,000x) |
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Microscopes:
Where is the Ocular of the microscope? |
It is
ON top the body tube |
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Microscopes:
What is the Body tube? |
It is
The TOP of the TUBE |
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Microscopes:
Where is the arm? |
It is where you hold the microscope by.
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Microscopes:
What has 3 objectives?-Lens |
The Revolving Nose piece
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Microscopes:
Fill this out.... Lower Power Objective______x Medium Power Objective______x High Power Objective______x |
Lower-4x
Medium-10x High-40x |
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Microscopes:
Where is the Diaphragm? |
It is at the bottom of the stage.
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Microscopes:
What is the stage? |
The squarish thing you put a object on.
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Microscopes:
Where is the Light source/Mirror located? |
On top of the Base.
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Microscopes:
Where is the base? |
It's the giant thing at the very bottom of the microscope.
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Microscopes:
What are the stage clips used for? and Where are they... |
They're on the stage, and are used to clip a object your looking to observe.
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Microscopes:
Course Adjustment? |
The giant thing that you turn for Magnification.
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Microscopes:
Fine Adjustment knob? |
The small thing that you turn for Resolution/Clarity.
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Microscopes:
Micro slide? |
Where you put the object in between to observe.
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1665: Robert Hooke, an _______ scientist cut a thin slice of _______ and observed it with a magnifying glass.
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He was a ENGLISH scientist
and cut a thin slice of CORK |
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1665: Robert Hooke wrote that he saw "a great many little boxes" Meaning?
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He saw rectangles in a cell.
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1665: Robert Hooke: Today "cell" means...
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The basic unit of living things (Organisms).
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1675: Anton van Leeuwenloek a _____ scientist, built a simple microscope and was able to magnify 200x. What is a simple microscope?
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He was a DUTCH scientist
A simple microscope has one lens. |
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1675-
Who was the first scientist to observe living cells: one celled organisms in pond water. |
Anton van Leeuwenloek
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1838: Matthais Scheleiden, a _______, concluded that all PLANTS were made from cells.
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He was a GERMAN BOTANIST.
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1839: Theodor Schwann, a _______, concluded that all ANIMALS were made of cells.
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He was a GERMAN ZOOLOGIST.
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1855: Rudolf Virchow, a _______, while studying diseases, discovered that cells divide producing NEW CELLS.
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He was a RUSSIAN DOCTER.
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The Cell Theory?
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1). All living things are made of cells.
2). Cells are the basic unit of structure and function. 3). New cells are produced from existing cells. |
