This is the first 1,000 characters of 1502 words (6.01 pages) in the essay titled Science2
Objective: To practice the various techniques of measuring masses using the lab balance. Then to gain the experience in the techniques of handling lab equipment.
1. Check your balance to make sure that the pointer is calibrated or zeroed. If necessary, consult your teacher for an adjustment.
2. Place a penny on the balance pan. Move the riders until the pointer is balanced. Record the mass of the penny.
3. Repeat step two for objects listed below.
B. A watch glass
C. A 150-ml beaker
D. A 100-ml graduated cylinder
-Measure and record the mass of a watch glass.
-Obtain 20-25 salt crystals on a piece of paper. Transfer them to the watch glass carefully.
-Measure and record the combined mass of the watch glass and the calcium chloride. Make sure you record the time it took you to make this measurement.
-Using your micro spatula, spread the crystals out on the watch glass and record you observations.
-Measure and record the mass ...
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