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Light Microscope Parts and Functions

Explore the essential components of a light microscope and understand their functions in magnifying specimens.

Grade 10 Science BiologyParts of the Light Microscope
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Includes

TextMultiple ChoiceFill in the BlanksTrue / FalseMatchingShort Answer

Standards

HS-LS1-2HS-LS1-6

Topics

BiologyMicroscopeLight MicroscopeScienceGrade 10
8 sections · Free to use · Printable
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Light Microscope Parts and Functions

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Date:

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

Observe the diagram of the light microscope below. It will help you answer the following questions.

Diagram of a light microscope

1. Which part of the microscope is used to adjust the amount of light passing through the specimen?

a

Eyepiece

b

Diaphragm

c

Stage

d

Objective lens

2. What is the total magnification if the eyepiece is 10x and the objective lens is 40x?

a

50x

b

100x

c

400x

d

4000x

3. The   is the platform where the slide is placed for viewing.

4. The   is used for large adjustments in focus, primarily with low power objective lenses.

5. The   rotates to change the objective lenses.

6. The fine adjustment knob should be used with the high power objective lens.

T

True

F

False

7. The arm of the microscope should always be held when carrying the microscope.

T

True

F

False

Match the microscope part with its primary function.

8. Eyepiece

 

a. Supports the microscope and houses the illuminator

9. Objective Lenses

 

b. Magnifies the image from the objective lens

10. Base

 

c. Primary lenses that magnify the specimen

11. Illuminator

 

d. Provides the light source

12. Describe the proper procedure for carrying a light microscope.

13. Explain the difference between the coarse adjustment knob and the fine adjustment knob, and when each should be used.