Unit 3 Microscopes Flashcards

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1
Q

the part of the microscope you look through

A

the ocular lens

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2
Q

the part of the microscope you put the slide on

A

the stage

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3
Q

the part of the microscope that adjusts the magnification

A

the objective lenses

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4
Q

the part of the microscope that adjusts the amount of light getting through

A

the diaphragm

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5
Q

The big knob on a microscope is called _______.

A

the coarse adjustment knob

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6
Q

The small knob on a microscope is called _______.

A

the fine adjustment knob

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7
Q

how to carry a microscope

A

by the arm AND base

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8
Q

How do you get a slide focused under high magnification?

A

Start on scanning, focus with the coarse adjustment knob, find the object, center it.

Switch up to low power, focus with the coarse adjustment knob, center it.

Switch up to high power, focus with the fine adjustment knob.

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9
Q

how to store a microscope

A

scanning lens in place, cord wrapped up

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10
Q

Why is the image dimmer under high magnification?

A

Less light hits a smaller space

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11
Q

Why are wet mounts better than dry mounts?

A

The water makes the cover slip stick to the slide, squeezing your specimen into one layer.

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12
Q

Where should you look for the diaphragm on a microscope?

A

under the stage

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13
Q

What are 4 ways a microscope changes an image?

A

Magnified

Flipped upside down

Flipped over right/left

brighter / dimmer

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14
Q

What do you use to clean a dirty lens?

A

lens paper

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