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19 Cards in this Set
- Front
- Back
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what invention enabled people to see details of living things that cannot be seen with the unaided eye |
microscope |
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What two inventory of early microscopes? |
Anton van Leeuwenhoek and Robert Hooke |
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before microscopes, people didn't know living things were made of ? |
cells |
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what does microscopes to to an image |
magnify |
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magnification makes an object appear ? |
larger |
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how clearly the magnified image can be seen |
resolution |
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what microscope uses light and lenses to enlarge an image of an object |
Light microscope |
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a light microscope that uses more than one lens |
compound microscope |
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light microscopes can be used to view what things |
living and nonliving |
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light microscopes can enlarge images how much? |
1, 500 times the objects size |
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what microscopes uses a magnetic field to focus a beam of electrons through an object or onto an objects surface |
Electron microscope |
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with an electron microscope, objects must be mounted in plastic and sliced very thin. Because of this what type of organisms can be seen |
dead |
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what electron microscope are used to study extremely small things, like a cell |
transmission electron microscope (TEMs) |
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what electron microscope are used to study the surface of an object |
Scanning electron (SEMs) |
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what kind of people use microscopes |
people in health care |
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what type of surgery are microscopes used in |
cataract surgery and brain surgery |
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what kind of scientist uses microscopes to study evidence from crime scenes |
forensic |
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the steel industry examines steel for what? |
impurities |
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jewelers use microscopes to ? |
identify stones |
