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Directions: Read the steps or directions in taking fingerprints. Answer the questions that follow. Write your answer on the blank.
Taking Fingerprints
You do this:
1. Prepare the following: Pencil Clear tape typing paper magnifying hand glass 2. Rub the sharpened end of the pencil across a sheet of paper 15 to 20 times to collect a layer of graphite on the paper. 3. Rub your left index across the graphite on the paper. 4. Tear off about 2 and ½ centimeters of clear tape. Stick it on the fingertips with graphite. 5. Remove the tape and stick it on a clean sheet of typing paper. 6. You will see your fingerprint stuck on the tape.
1. What are the materials needed? 2. What are the steps in taking fingerprints? 3. Are the steps in the right sequence? 4. Is it important to follow series of directions? Why? 5. Why should one be careful in following directions especially in experiments?
Sagot :
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