Microscope Observation Worksheet
A Grade 7 science worksheet focusing on the parts and proper use of a microscope, and observation of specimens.
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Microscope Observation Worksheet
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Date:
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Read each question carefully and answer to the best of your ability. Use the diagram of the microscope to help you identify its parts.
Study the diagram of the microscope below and answer the questions that follow.
1. The part you look through is called the .
2. The holds the objective lenses and can be rotated.
3. You place the slide on the .
4. The adjusts the amount of light passing through the specimen.
5. Use the knob for large adjustments when focusing.
6. Which part of the microscope should you use to carry it safely?
Eyepiece and Stage
Arm and Base
Objective Lenses and Diaphragm
Light Source and Fine Adjustment Knob
7. What is the total magnification if the eyepiece is 10x and the objective lens is 40x?
10x
40x
50x
400x
8. You should always start focusing with the highest power objective lens.
True
False
9. The fine adjustment knob should be used with the low power objective lens.
True
False
10. Describe two safety precautions you should take when using a microscope.
11. Explain the difference between the coarse adjustment knob and the fine adjustment knob.