Mr Mac Microscope terms and uses
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| This is used to focus on your specimen when using the high power objective. | Fine focus knob or
Fine adjustment knob
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| Attached to to the nose piece, these have lenses that actually magnify the specimen. | Objectives (Objective lenses)
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| This can be adjusted to change the amount of light allowed to pass through the specimen. | Diaphragm
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| This has glass lenses, magnifies the specimen 10x and you look into it. | Ocular lens (or eyepiece)
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| Your slide rests on this | Stage
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| If you are having trouble seeing your specimen, use the low power objective and turn this knob. | Coarse adjustment knob or
Coarse focus knob
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| You carry the microscope using these. | The base and arm
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| The main reason a specimen for an optical microscope must be really thin is so... | light can pass through it.
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| We made a slide using water to hold our cover slip in place. This is a... | wet mount
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| He was known for improving the microscope. He was an innovator. He saw the first alive cells and called them animalcules. | Anton Von Leeuwenhoek
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| He saw little boxes in tree bark (cork) and called them cells. | Robert Hooke
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| He was called the first microbiologist. | Anton Von Leeuwenhoek
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| He invented the microscope. | Not sure... But Hans Janssen was one of the first and is often given the credit.
As well as many other people like Hans Lippershey.
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| He used a telescope to make many great discoveries. He also had a microscope he called "occhiolino" | Galileo. -This is not on your assessment.
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| This microscope uses light and curved glass lenses to magnify. I can only magnify to about 2,000 times | optical microscope or light microscope
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| He is called the "Father of Microscopy". | Von Leeuwenhoek
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| To find the total amount of magnification on an optical microscope you must... | multiply the ocular power and objective power
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| Use your microscope coloring sheet. What is "E" called? | Nose piece or revolving nose piece
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| Use your microscope coloring sheet. What is "A" called? | Ocular or eyepiece
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| Use your microscope coloring sheet. What is "K" called? | Diaphragm
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| Use your microscope coloring sheet. What is "M" called? | Light Source
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| Use your microscope coloring sheet. What is "B" called? | Coarse Adjustment Knob
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| Use your microscope coloring sheet. What are "F, N and H" called? | Objectives
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| Use your microscope coloring sheet. What is "D" called? | Fine Adjustment Knob
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| Use your microscope coloring sheet. What is "I" called? | Stage
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| Use your microscope coloring sheet. What is "G" called? | Arm
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| Use your microscope coloring sheet. What is "L" called? | Base
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| How do you find the the total magnification of a microscope? | Multiply the ocular power by the objective power.
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| The low power objective (4x) and the ocular lens (10x) have a total magnification of ____________. | 40x
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| The medium power objective 10x and the ocular lens 10x have a total magnification of ____________. | 100x
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| The high power objective 40x and the ocular lens 10x have a total magnification of ____________. | 400x
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| What can happen (2 things) if you use the course adjustment knob with the high power objective lens? | Crack the slide/specimen
Scratch the objective lens
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