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EXAMS > SCIENCE 2ND QUARTER; MICROSCOPE > Flashcards

SCIENCE 2ND QUARTER; MICROSCOPE Flashcards

Microscope

1
Q

What is Microscopy?

A
  • the field of using microscopes to observe organisms the naked eye cannot see
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2
Q

What is the Microscope?

A
  • optical instrument
  • uses lenses to make magnified images of a specimen
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3
Q

How do you differentiate microscopes?

A
  1. Number of ocular lenses
  2. Number of lenses
  3. Source of Illumination
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4
Q

What are the types of microscopes by the number of ocular lenses?

A
  1. Monocular
  2. Binocular
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5
Q

What are the types of microscopes by the number of lenses?

A
  1. Simple
  2. Compound
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6
Q

What are the types of microscopes by the source of illumination?

A
  1. Light
  2. Electron
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7
Q

What are the four parts of a microscope?

A
  1. Supporting
  2. Mechanical
  3. Illuminating
  4. Magnifying
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8
Q

What are the supporting parts of the microscope?

A
  1. Base
  2. Pillar
  3. Arm
  4. Stage
  5. Substage
  6. Body Tube
  7. Draw Tube
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9
Q

What is the Base?

A
  • bottom of the microscope
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10
Q

What is the Pillar?

A
  • supports arm
  • connects to the base
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11
Q

What is the Arm?

A
  • supports body tube
  • connects to the base
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12
Q

What is the Stage?

A
  • supports slide and stage clips
  • allows light to pass through the specimen
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13
Q

What is the Draw Tube?

A
  • connects the eyepiece to the body tube
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14
Q

What is the Body Tube?

A
  • connects draw tube to microscope
  • passage of light
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15
Q

What is the Substage?

A
  • holds the condenser above
  • holds iris diaphragm below
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15
Q

What are the mechanical parts?

A
  1. Inclination Joint
  2. Stage Clips
  3. Revolving Nosepiece
  4. Dust Shield
  5. Coarse Adjustment Knob
  6. Fine Adjustment Knob
15
Q

What is the Inclination Joint?

A
  • supports arm
  • controls body
16
Q

What are the Stage Clips?

A
  • holds slide in place
16
Q

What is the Revolving Nosepiece?

A
  • 2+ objective lenses
  • can be shifted to change power
17
Q

What is the Dust Shield?

A
  • protects dust from objective lenses
17
Q

What is the Coarse Adjustment Knob?

A
  • moves the stage up and down
18
Q

What is the Fine Adjustment Knob?

A
  • small knob
  • fine-tunes focus on specimen
18
Q

What are the Illuminating Parts?

A
  1. Mirror
  2. Condenser
  3. Iris Diaphragm
18
Q

What is the Mirror?

A
  • reflects light
  • source of light
18
Q

What is the Condenser?

A
  • concentrates reflected light from mirror to specimen
18
Q

What is the Iris Diaphragm?

A
  • regulates intensity of light
18
Q

What are the Magnifying Parts?

A
  1. Eyepiece
  2. Objective Lenses
19
Q

What is the Eyepiece?

A
  • where you look
19
Q

What are the Objective Lenses?

A
  • Increase magnification
19
Q

What are the four objective lenses?

A
  1. Scanning (4x zoom)
  2. Low Power (10x zoom
  3. High Power (40x zoom)
  4. Oil Immersion (x100 zoom)

EXAMS (9 decks)

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