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