Microscope NJH 7th

The primary optical lenses on a microscope are called ___

• condensors

• objective lenses

• stage clips

• ocular lenses

The specimen slide is placed on the ___

• platform

• table

• stage

• base

Identify the microscope part:

• revolving nosepiece

• coarse focus knob

• diaphragm

• fine adjustment (focus) knob

The lens assembly with the longest body is the ___

• low power objective

• high power objective lens

• low power ocular

• high power ocular

Which part controls the amount of light reaching the specimen?

• diaphragm

• coarse focus knob

• condensor

• fine focus knob

The part you look through at the top of the microscope is called the eyepiece or ___

• objective

• ocular lens

• aperture

• diaphragm

These are used to hold the slide in place:

• rotating nosepiece

• objective lenses

• stage clips

• adjustment knobs

Identify the microscope part:

• revolving nosepiece

• coarse adjustment (focus) knob

• diaphragm

• fine focus knob

Typical objective lenses come in magnifications of ___

(hint: these are the magnifications for the microscopes used in our science classroom)

• 6x, 15x, 60x

• 60x, 150x, 600x

• 4x, 10x, 40x

• 40x, 100x, 400x

Using a 10x eyepiece and a 40x objective would give a total magnification of ___

• 40x

• 50x

• 400x

• 500x