Chapter 3 Microscope

Question 1

is a tool that allows the viewer to see objects too small to be seen by the naked eye

Answer 1

Compound Microscope

Question 2

visual clarity, to enable tiny objects to be studied

Answer 2

Resolution

Question 3

supportive bottom piece of microscope

Answer 3

Base

Question 4

a light source within the base that illuminates the specimen

Answer 4

Substage light

Question 5

a dial, adjusts the light intensity

Answer 5

Rheostat

Question 6

the upper part containing the components used to view the specimen

Answer 6

Head

Question 7

two removable lenses that you look through to observe the specimen, have 10x magnification

Answer 7

Ocular Lenses

Question 8

located below the ocular lenses, serves as an attachment for the objective lenses, can be rotated

Answer 8

Nosepiece

Question 9

four lenses attached to the nosepiece

Answer 9

Objective Lenses

Question 10

what are the 4 magnification in objective lense

Answer 10

Scanning Lens 4x
Low power Lens 10x
High dry Lens 40x
Oil immersion Lens 100x

Question 11

narrow, vertical part connecting the head and base

Answer 11

Arm

Question 12

the flat platform connected to the arm and suspended beneath the objective lenses

Answer 12

Stage

Question 13

when a slide is placed on the stage, it held in place

Answer 13

stage clips or mechanical stage

Question 14

move the mechanical stage right and left and front to back

Answer 14

mechanical stage adjustment knobs

Question 15

large knobs on the arm, turning this knob will raise and lower the stage
**should only be used with the SCANNING LENS or LOW POWER LENS to avoid contact between the objective lens and the microscope slide

Answer 15

Coarse Adjustment Knobs

Question 16

smaller knobs located in the center of the coarse adjustment knob
**should be used with the HIGH DRY LENS and OIL IMMERSION LENS

Answer 16

Fine adjustment Knob

Question 17

this lens, located below the stage, concentrates light on the specimen

Answer 17

Condenser

Question 18

this lever beneath the condenser opens and closes the iris diaphragm
**also can change the CONTRAST

Answer 18

iris diaphragm lever

Question 19

regulates the amount of light passing through the condenser

Answer 19

Iris diaphragm

Question 20

multiplying the ocular lens magnification power and the objective lens magnification power

Answer 20

Total Magnification(TM)