How do you determine the density of a substance or object?
Answers
Density is a measure of how much mass is present in a given volume of a substance or object. It is typically expressed in units of grams per cubic centimeter (g/cm3) or kilograms per cubic meter (kg/m3).
To determine the density of a substance or object, follow these steps:
Using a scale, determine the object's mass..
Measure the volume of the object using a ruler, graduated cylinder, or other appropriate instrument. The volume may be determined by the formula for the shape of the object, such as the volume of a cube, sphere or cylinder.
Divide the mass by the volume to obtain the density.
Density = Mass / Volume
- Record the density in the appropriate units.
Additional considerations for determining the density of a substance or object include:
- Ensure that the units of mass and volume are consistent with each other.
- Take multiple measurements and average them to reduce the effects of measurement error.
- If the object has an irregular shape, measure the volume by displacement, which involves measuring the volume of water that is displaced when the object is submerged.
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