Microsopes

Moves the body tube or stage up or down for focusing.

• Fine Adjustment Knob

• Arm

• Diaphragm

• Coarse Adjustment Knob

Contains the lens you look through.

• Low-power Objective

• High-power Objective

• Eyepiece

• Diaphragm

Holds the microscope slide in place

• Stage Clips

• Stage

• Arm

• Base

Controls the amount of light that enters the body tube

• Eyepiece

• Mirror

• Coarse Adjustment Knob

• Diaphragm

If your teacher asks you to move a microscope to table, how do you carry it?

• by the body tube and the eyepiece
• with one hand
• one hand on the arm and the other under the base
• with one hand on the base and the other on the eyepiece.

Which of these do you NOT need to do before looking at a slide under a microscope?

• Turn on the microscope

• Make sure it's set to the lowest power lenses

• Set the stage to it's lowest position

• Make sure it's set to the highest power lenses

A microscope is an instrument that.

• makes faraway objects look closer.
• makes small objects appear larger.
• decreases the size of small objects.
• increases the size of small objects.

A thin flat piece of glass used to hold objects for examination is called a ___

• sheet

• slide

• cover slip

• objective

These are used to hold the slide in place:

• rotating nosepiece

• objective lenses

• stage clips

• adjustment knobs

When you focus on a new specimen, always begin with

• low power and coarse adjustment.
• low power and fine adjustment
• high power and coarse adjustment
• high power and fine adjustment