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Light Microscope Parts & Functions

Grade 9 Science worksheet on the parts and functions of a light microscope, including identification, multiple choice, and short answer questions.

Grade 9 Science BiologyParts of the Light Microscope
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CustomMultiple ChoiceFill in the BlanksTrue / FalseShort Answer

Standards

NGSS.HS-LS1-2

Topics

microscopebiologysciencegrade 9
7 sections · Free to use · Printable
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Light Microscope Parts & Functions

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Date:

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Read each question carefully and answer to the best of your ability. Refer to the diagram of the light microscope as needed.

Identify the labeled parts of the microscope in the diagram below.

Diagram of a light microscope with various parts labeled.

1.  

2.  

3.  

4.  

5.  

6.  

7. Which part of the microscope is used to make large adjustments to the focus?

a

Fine adjustment knob

b

Coarse adjustment knob

c

Diaphragm

d

Revolving nosepiece

8. Which objective lens provides the lowest magnification?

a

Scanning power (4x)

b

Low power (10x)

c

High power (40x)

d

Oil immersion (100x)

9. The   is the flat platform where the slide is placed.

10. The   regulates the amount of light passing through the specimen.

11. To calculate the total magnification, you multiply the eyepiece magnification by the   magnification.

12. You should always start focusing with the high power objective lens.

T

True

F

False

13. The revolving nosepiece holds the objective lenses and allows them to be changed.

T

True

F

False

14. Briefly explain the function of the eyepiece (ocular lens) in a light microscope.

15. Describe the proper way to carry a microscope.