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Exploring Life
Classifying and Exploring Life
| Term | Definition |
|---|---|
| Light Microscope | Use light and lenses to enlarge an image of an object. |
| Compound Microscope | A light microscope that uses more than one lens to magnify an object. |
| Electron Microscope | use a magnetic field to focus a beam of electrons through an object or into an objects surface. |
| Anton van Leeuwenhoek | Made one of the first microscopes. |
| Transmission Electron Microscope (TEMs) | Used to extremely small things |
| Scanning Electron Microscope (SEMs) | Used to study the objects surface |
| Magnification for light microscope | Up to 1,500 times |
| Magnification for electron microscope | Up to 100,000 times |
| Resolution of light microscope | 0.2 micrometer |
| Resolution of Electron microscope | 0.2 nanometer |
| Specimen of light microscope | Living or nonliving objects |
| Specimen of Electron microscope | Only dead organisms |
| Ocular lens | magnifies an image first by one lens |
| Objective lens | The image is then further magnified by another lens |
| What is microscopes used for | Scientific purposes, Health care, and Industries. |
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kuttuashmith300