To focus an item in high power you will use the scanning objective which is the lowest magnification. Then you will move to the low power objective once you've focused on it, then you can move to the high power objective. To make a wet mount, you will take a piece of algae that can fit on the slide with a couple of drops of algae water and make sure it can fit underneath the cover slide. To stain the slide you get the right sized iten and add 1-2 drops of stain and gently put the cover slide on top. You will also use small paper towel and move it around underneath the slide to get rid of the excess water. I didn't understand before the different parts of the microscope and now I know better how to properly view an object or organism.
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