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
2
Q
What is the Microscope?
A
- optical instrument
- uses lenses to make magnified images of a specimen
3
Q
How do you differentiate microscopes?
A
- Number of ocular lenses
- Number of lenses
- Source of Illumination
4
Q
What are the types of microscopes by the number of ocular lenses?
A
- Monocular
- Binocular
5
Q
What are the types of microscopes by the number of lenses?
A
- Simple
- Compound
6
Q
What are the types of microscopes by the source of illumination?
A
- Light
- Electron
7
Q
What are the four parts of a microscope?
A
- Supporting
- Mechanical
- Illuminating
- Magnifying
8
Q
What are the supporting parts of the microscope?
A
- Base
- Pillar
- Arm
- Stage
- Substage
- Body Tube
- Draw Tube
9
Q
What is the Base?
A
- bottom of the microscope
10
Q
What is the Pillar?
A
- supports arm
- connects to the base
11
Q
What is the Arm?
A
- supports body tube
- connects to the base
12
Q
What is the Stage?
A
- supports slide and stage clips
- allows light to pass through the specimen
13
Q
What is the Draw Tube?
A
- connects the eyepiece to the body tube
14
Q
What is the Body Tube?
A
- connects draw tube to microscope
- passage of light
15
Q
What is the Substage?
A
- holds the condenser above
- holds iris diaphragm below
15
Q
What are the mechanical parts?
A
- Inclination Joint
- Stage Clips
- Revolving Nosepiece
- Dust Shield
- Coarse Adjustment Knob
- 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
- Mirror
- Condenser
- Iris Diaphragm
18
Q
What is the Mirror?
A
- reflects light
- source of light
18
What is the Condenser?
- concentrates reflected light from mirror to specimen
18
What is the Iris Diaphragm?
- regulates intensity of light
18
What are the Magnifying Parts?
1. Eyepiece
2. Objective Lenses
19
What is the Eyepiece?
- where you look
19
What are the Objective Lenses?
- Increase magnification
19
What are the four objective lenses?
1. Scanning (4x zoom)
2. Low Power (10x zoom
3. High Power (40x zoom)
4. Oil Immersion (x100 zoom)
