Examlex
Open-ended questions are harder to develop and require more exploratory work than closed-response questions.
Density
The mass per unit volume of a substance, commonly expressed in grams per cubic centimeter or kilograms per cubic meter.
Volume
Volume refers to the amount of space that a substance or object occupies, or that is enclosed within a container, usually quantified in cubic units.
Mass
A quantification of the volume of matter present in an object, often stated in terms of kilograms or grams.
Density
The mass per unit volume of a substance, often measured in grams per cubic centimeter or kilograms per cubic meter.
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