Amoeba Sisters Microscopes

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25 Terms

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Protists

Unicellular organisms, including examples like Euglena and Paramecium.

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Magnification

The process of enlarging an image of the specimen.

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Resolution

The ability to distinguish two separate objects.

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Light Microscope

A type of microscope that uses light to visualize specimens.

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Brightfield Microscope

A common classroom microscope that produces a darker image on a light background.

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Darkfield Microscope

Microscope that blocks most light to show light objects on a dark background.

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Phase-contrast Microscope

A microscope ideal for examining live specimens without staining.

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Electron Microscope

A microscope that uses electron beams for higher magnification and resolution.

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Transmission Electron Microscope (TEM)

Best for visualizing internal structures of specimens.

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Scanning Electron Microscope (SEM)

Best for visualizing the 3D surface of a specimen.

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Light Source

Part of a microscope that provides light that passes through the condenser lens.

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Condenser Lens

Focuses light on the specimen.

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Diaphragm

Adjusts the light intensity in a microscope.

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Stage

Holds the slide in place during observation.

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Eyepiece Lens

Magnifies the image, typically offering 10x magnification.

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Total Magnification

The product of the objective lens magnification and the eyepiece magnification.

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Coarse Focus Knob

Adjusts the stage dramatically for initial focusing.

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Fine Focus Knob

Adjusts the focus in smaller increments.

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Proper Lifting of the Microscope

One hand should hold the base, while the other holds the arm.

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Wet Mount Preparation

Involves placing water on the slide, covering it with a cover slip, and avoiding air bubbles.

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Fragility of Microscope Components

Glass slides and cover slips can break easily and should be handled with care.

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Microscope Clean-Up Steps

Remove slide, turn off light, lower the stage, and return to the lowest power objective lens.

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Immersion Oil

Used to enhance resolution at higher magnifications.

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Microscopes in Life Science

Used to study various biological processes like mitosis, osmosis, and plant responses.

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Exploration with Microscopes

Allow observation beyond the visible eye, revealing a new world of detail.