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Microscopes
| Question | Answer |
|---|---|
| First compound microscope was made in.... | 1590 |
| 1655 ...... used a compound microscope to observe pores in cork; he called them "Cells" | Robert Hooke |
| ........was the first person to see single-celled organisms in pond water | Antoine Van Leeuwenhoek |
| Micro means.... | Very small |
| Scope means..... | To look at |
| Increase of an objects apparent size | Maginification |
| Power to show details clearly | Resolution |
| A sample that is being examined | Speicmen |
| 1st type of microscope; most widely used | Compound microscope |
| Used to observe very small objects such as viurses, DNA, and parts of cells | Electron Microscope |
| Can magnify up to 100,000x | Scanning electron microscope (SEM) |
| The lens you look through that magnifies the specimen | Eyepiece |
| The hollow tube through which light passes; It holds the lenses apart | Body tube |
| Supports the body tube; used to carry the microscope | Arm |
| Holds the objective lens | Revolving nosepiece |
| Holds down the slide on the stage | Stage clips |
| x4 lens has low/small power; x10 lens had medium/middle power; x40 lens had high/large power | Objective lens |
| Place where the object/specimen you are looking at is placed for viewing | Stage |
| Raises or lowers the body tube to focus;never use this with x40 lens | Coarse adjustment |
| Changes the amount of light reaching the objective lens | Diaphragm |
Created by:
dunn.gabrielle
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