Microscopy: Parts & Observations / 2009

Name: ______Period: ____

1. What are the parts? Label the parts of a microscope on the diagram below.

WORD BANK

1 / Minority Science Programs – School of Biological Sciences – University of California, Irvine
Microscopy: Parts & Observations / 2009

Arm

Base

Body tube

Coarse adjustment

Diaphragm

Eyepiece

Fine adjustment

High power objective

Light source

Low power objective

Nosepiece

Stage

Stage clips

Med. Power objective

3 / Minority Science Programs – School of Biological Sciences – University of California, Irvine
Microscopy: Parts & Observations / 2009

2. What do the parts do? Match the part of the microscope with its function.

____ Where the slide is placed 1. Objectives

____ Used to focus when using the low power objective 2. Base

____ Magnifies the specimen 3. Arm

____ Used to carry microscope 4. Course adjustment

____ Used to focus when using the high power objective 5. Stage

____ The lens you look through, magnifies the specimen 6. Eyepiece

____ Supports the microscope 7. Fine adjustment

3. Magnification Calculate the total magnification for each objective.

Eyepiece: 10X Objectives: 4X, 10X, or 40X

4X objective: ______x ______= ______

10X objective: ______x ______= ______

40X objective: ______x ______= ______

4. Letter “e” Observe the letter “e” with your naked eye and the microscope. Draw only what you see through the eyepiece. Include the correct magnification.

Naked eye ______X

What do you observe about the orientation and direction of the image?

______

5. Comic strip Observe the colored comic strip with your naked eye and the microscope. Draw only what you see through the eyepiece. Include the correct magnification.

Naked eye ______X

6. Prepared Slides Observe a prepared slide at different magnifications. Record the title of the slide. Draw only what you see through the eyepiece. Include the correct magnification.

Slide title: ______

______X ______X

Slide title: ______

______X ______X

Slide title: ______

______X ______X

3 / Minority Science Programs – School of Biological Sciences – University of California, Irvine