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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. |