Chapter 5 Lesson 2: How to Use a Microscope

Comprehensive vocabulary flashcards covering the components of a microscope, slide preparation steps, magnification properties, and operating principles.

Microscope

A tool used to see very small (tiny) things that are not clearly visible to the eye.

Eyepiece lens

The lens on the microscope through which we look at the object we want to observe.

Tube

A cylinder that holds the eyepiece lens and connects it to the objective lenses.

Arm

A curved part used to carry the microscope.

Revolving nosepiece

The circular structure of the microscope on which the objective lenses are fixed.

Objective lenses

Lenses that magnify the image, each having a different magnification power than the other.

Stage

The platform where the prepared slide containing the object to be observed is placed.

Clips

Parts used to hold the prepared slide containing the object to be observed (the sample) securely on the stage.

Adjustment knob

The knob used to move the stage up and down to clarify the view of the sample.

Reflector

A mirror that directs light towards the stage to make the view complete and bright.

Cover glass

The short, thin piece of glass that is lowered slowly from one side over the sample on a slide to prevent air bubbles from getting in.

Prepared slide

An assembly consisting of two pieces of glass—one long and thick slide and one short and thin cover glass—holding the sample to be examined.