The Compound Microscope

A cover slip is used when making a wet mount slide for the microscope. What is the true purpose of the coverslip?

• to hold the specimen in place

• to protect the objective from water

• to hold the water on the slide

• to prevent the dirt from damaging the specimen

The microscope part that has a lens that provides secondary magnification of the specimen.

• low power objective

• diaphragm

• eyepiece

• lamp

A student measures the field of view (FOV) by focusing on the millimeter markings of a transparent ruler. She finds that the diameter of the FOV is 2 millimeters. This means that the FOV measures _____ micrometers.

• 2000

• 4

• 200

• 1

The microscope objectives are rotated using the

• fine adjustment

• manipulator knob

• diaphragm

• nosepiece

A microscope slide is sits on top of the (a)_____ and is held in place by the (b)_____

• (a) platform / (b) base

• (a) base / (b) holder

• (a) stage / (b) slide manipulator

• (a) arm / (b) nosepiece

When using high power on the classroom microscope, the total magnification is

• 400 x

• 200 x

• 4000 x

• 100 x

The shortest objective on the classroom microscope is called the lower power objective.

• TRUE

• FALSE

You can change the amount of light passing through the microscope by adjusting the

• stage

• objective

• eyepiece

• diaphragm

The proper way to carry a microscope is to hold the (a)_____ with one hand and support the (b)_____ with the other hand.

• (a) stage / (b) base

• (a) lamp / (b) eyepiece

• (a) arm / (b) stage

• (a) arm / (b) base

The _____ moves the stage up and down to bring the specimen into rapid focus.

• coarse adjustment

• slide manipulator know

• fine adjustment

• diaphragm