A field geologist collected data for two nuggets of copper and determined their density. Which two pieces of equipment did the geologist most likely use to determine the density of the copper nuggets?
A. Balanced and graduated cylinder
B. Metric Ruler and Beaker
C. Thermometer and Erlenmeyer flask
D. Specimen bottle and tweezers
To determine the density of the copper nuggets, the field geologist most likely used a balanced and graduated cylinder.
The density of an object is calculated by dividing its mass by its volume. The balanced is used to measure the mass of the copper nuggets accurately. Mass is typically measured in grams.
The graduated cylinder, on the other hand, is used to measure the volume of the copper nuggets. Volume is often measured in milliliters. By carefully measuring the amount of water displaced when the copper nuggets are submerged, the geologist can determine their volume.
Once both the mass and volume are known, the density of the copper nuggets can be calculated by dividing the mass by the volume. Density is typically expressed in grams per cubic centimeter (g/cm³) or grams per milliliter (g/mL).
Therefore, the most appropriate equipment combination for determining the density of the copper nuggets would be a balanced and graduated cylinder. The correct answer is A.
You need the mass and the volume.
If you have a graduated cup sitting on a balance scale
fill it part way and record water volume
slide the copper in
the water level goes up, measure it
the increase in volume is the copper volume
meanwhile the mass went up on the scale
the increase in mass measurement is the copper mass
the copper density = increase in mass/ increase in volume.
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