Learning Task 1: The numbered steps in using a microscope to focus a specimen listed in the boxes below are not arranged properly. Arrange the steps in their correct sequence. Write the answers in your answer sheet.
______1. Check the stage from the side. Slowly turn the coarse adjustment knob to lower the body tube until the lower-power objective almost touches the slide
______2. Turn the coarse adjustment knob to raise the body tube or stage
______3. Rotate the nosepiece until the low-power objective lens clicks into place.
______4. While looking into the eyepiece, adjust the diaphragm and the mirror until you see a bright white circle of light.
______5. Put a slide on the stage. Position the specimen over the opening on the stage and use the stage clip to hold it in place.
______6. Look into the eyepiece and turn the fine adjustment knob until the specimen is properly focus.
______7. Shift to high power objective lens, Gently revolve the nosepiece until the high power objective lens clicks in place. Be sure that the lens will not hit the slide.
_______8. Look into the eyepiece, and gently turn the coarse adjustment knob until yo get the clear focus of the specimen.
The correct sequence of each step is numbered as: 4,_,_,_,_,_,_,_
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Answers & Comments
Answer:
1. 6
2. 1
3. 7
4. 8
5. 1
6. 3
7. 4
8. 5