A Measurement Is Correctly Reported With A

Question: Which of the following represents a concept of density?
Answer: compactness
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Question: Your concept about an object is usually
Answer: all
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Question: A measurement is correctly reported with a
Answer: number and a unit.
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Question: The unit of a measurement tells you
Answer: what is being compared.
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Question: The number of a measurement tells you
Answer: the quantity of the referent unit.
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Question: Other than familiarity, an advantage of the English system of measurement is
Answer: units are based on body parts, which you always have with you.
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Question: The standard unit of length in the metric system is based on the
Answer: distance that light travels in a certain time in a vacuum.
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Question: The standard unit of mass in the metric system is based on the mass of a
Answer: certain metal cylinder kept by the International Bureau of Weight and Measures in France
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Question: The standard unit of time in the metric system is based on the
Answer: a certain number of vibrations of a cesium atom.
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Question: Does the density of a liquid change with changes in the shape of a container?
Answer: No, the volume and mass are constant, so the density does not change.
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Question: Does a flattened pancake of clay have the same density as the same clay rolled into a ball?
Answer: Yes, the volume and mass are constant, so the density does not change.
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Question: A statement that describes a relationship between equal quantities is a (an)
Answer: equation.
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Question: Which of the following describes the use of an equation?
Answer: describe relationships between variables
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Question: A specific relationship between variables that you can observe repeatedly is a scientific
Answer: principle
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Question: Which of the following describes a scientific law?
Answer: A relationship between variables that is consistently observed in nature.
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