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science lab

Letter “d” Lab Purpose: The purpose of this lab experiment is to learn how to make a wet mount slide and observe it under a microscope. Materials: The materials used in the lab experiment were… Procedure: The procedure followed in this experiment were… 1.Cut a small “d” from the newspaper and place it in the center of a clean microscope slide so that it is in normal reading position. 2.To make a wet-mount slide use the eye dropper and place a small drop of water over the specimen “letter “d”) to be observed. 3.Place one slide of a clean coverslip at the edge of the drop of water at a 45-degree angle. Using the forceps carefully lower the coverslip over the letter “d” and drop of water. Try not to trap air bubbles under the coverslip, since these will interfere with you view of the specimen. 4.In figure 2 draw a picture of the letter “d” seen on the slide. 5.Clip the slide into place on the stage of the microscope and position it so that the letter “d” is directly over the center of the stage opening. 6.Look at the microscope from the side and use the coarse adjustment knob to lower the body tube until the low- power objective lens almost touches the slide. 7.Looking through the eyepiece use the coarse adjustment knob to raise the body tube until the specimen comes into view. 8.Turning no more than of a turn, use the fine adjustment knob to focus the letter clearly. 9.In plate 1, draw a picture of the letter “d” as viewed through the microscope. Note the magnification. 10.While looking through the eyepiece, move the slide to the left. Notice which way the letter seems to move. Now move the slide to the right. Again notice which way the letter seems to moves. 11.To switch to the high- power objective lens, look at the microscope from the side. Revolve the nosepiece so that the high-power objective lens clicks into place. Using the fine...

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