Grade 7 Science: Slide Observation Worksheet
This worksheet covers the basics of slide observation using a microscope, including identifying parts of a microscope and preparing slides.
Includes
Standards
Topics
Grade 7 Science: Slide Observation Worksheet
Name:
Date:
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Read each question carefully and answer to the best of your ability. Refer to your knowledge of microscopes and slide observation.
1. Identify the following parts of the microscope shown below.
A.
B.
C.
D.
2. Which objective lens should you start with when observing a new slide?
High power
Low power
Oil immersion
Scanning
3. What is the purpose of the diaphragm on a microscope?
To hold the slide in place
To adjust the focus
To control the amount of light
To magnify the image
4. You should always use the coarse adjustment knob when focusing with the high power objective lens.
True
False
5. A wet mount slide is prepared by placing a drop of water over the specimen and covering it with a cover slip.
True
False
6. Describe the proper procedure for carrying a microscope.
7. Explain why it is important to clean microscope lenses with proper lens paper and solution, not just any cloth.
8. The is used for making large adjustments to the focus, especially with the low power objective.
9. A is a thin, flat piece of glass used to hold specimens for observation under a microscope.
10. The total magnification of a microscope is calculated by multiplying the magnification of the eyepiece by the magnification of the .
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