Lab 2

Question 1

Upright supporting frame that connects to base; one carrying handle located here

Answer 1

Arm

Question 2

Support platform in which light is found; one carrying handle located here

Answer 2

Base

Question 3

Supports eyepieces and extends to nosepiece

Answer 3

Body (observation) tube

Question 4

Focuses image when using scanning power (4x) objective lens; larger of thetwo focus knobs

Answer 4

Coarse focus knob

Question 5

Lens that focus lighton specimen; mounted below stage

Answer 5

Condenser

Question 6

Provide magnification of 10x: you look through them

Answer 6

Eyepieces (ocular lenses)

Question 7

Focuses image when using iow power (10x) and high power (40x) objective lenses; smaller of the two knobs

Answer 7

Fine focus knob

Answer 8

Light

Question 9

Controls intensity / amount of light coming from the source

Answer 9

Light intensity control knob

Question 10

Set of lenses used to magnify specimens; usually consists of scanning power (4x), low power (10x), and high power (40x)

Answer 10

Objective lenses

Question 11

Toggle switch to turn light on and off

Answer 11

Power switch

Question 12

Used to position objective lenses over specimen

Answer 12

Nosepiece

Question 13

Holds side in place

Answer 13

Slide holder

Question 14

Horizontal platform on which slide is placed

Answer 14

Stage

Question 15

Moves slide forward/backward and left/ right

Answer 15

Stage controls