Lesson one: Microscope

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Salvino D’Armate (Italy)

Invented the first eyeglass
Hans and Zacharias Jansen

Invented the first compound light microscope involving 2 lenses. Had a maximum magnification of 9x
Robert Hooke (England)

He saw small pores that he named “cells” while looking at a drawing of cork
Antony Van Leeuwenhoek (Holland)

Put 550 lenses in a “lens tube” to create a microscope with a magnification of 270x. He also saw moving single-celled organisms.
What did Antony Van Leeuwenhoek call the single-celled organisms he saw?

“Animalcules”
Name the key parts of a Microscope.
- Ocular lens
- Body tube
- Arm
- Coarse adjustment knob
- Fine adjustment knob
- Base
- Revolving nose piece
- Objective lenses (High, Medium, Low)
- Stage clips
- Stage
- Diaphragm
- Light source
How does the image in a microscope always appear?

Upside-down and backwards or rotated 180degrees
Magnification refers to?

How many times larger an object appears when it’s viewed through a microscope
Field of view(FOV) is?

The diameter of the circular region that is visible when looking through the microscope.
A higher magnification results in?

A smaller field of view
Field of view is often measured in?

Micrometers as this is a more convenient unit
There are _______ micrometers in 1 millimeters

1000
To determine the actual size of an object first determine ____ ______ of that object fit across your current _____ __ ______.
- How many
- field of view
Do you stack your FIT side by side or end to end?

End to end
Do determine the magnification of a diagram .....

Measure the diameter of the diagram
Drawing scientific microscope diagrams includes?
- a title
- draw within a circle
- include magnification and field of view below the diagram
- use straight lines
- use stippling not shading

Author

Wageyah

354791

Card Set

Lesson one: Microscope

Description

Microscope

Updated

2021-03-15T15:58:16Z

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