Using Density to Find the Thickness of a Wire

The thickness of wire often is measured using a system called the American Wire Gauge (AWG) standard. The smaller the gauge number, the larger the diameter of the wire. For example, 18-gauge copper wire has a diameter of about 0.102 cm 12-gauge copper wire has a diameter of about 0.205 cm. Such small diameters are difficult to measure accurately with a metric ruler. In this experiment, you will plot measurements of mass and volume to find the density of copper. Then, you will use the density of copper to confirm the gauge of copper wire. [Pg.46]

How can density be used to verify the diameter of copper wire [Pg.46]

How can you find the volume of a solid that has an irregular shape [Pg.46]

What is a meniscus and how does it affect volume readings [Pg.46]

If you plot mass versus volume, what property of matter will the slope of the graph represent [Pg.46]

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