Chemistry Ch. 2 Vocab Quiz

What is the measure of the size of a body or region in three-dimensional space?

• Density

• Volume

• Accuracy

• Model

What is the ratio of the mass of a substance to the volume of the substance?

• Density

• Volume

• Accuracy

• Model

Which term describes how close a measurement is to the true value of the quantity measured?

• Density

• Volume

• Accuracy

• Model

What is a pattern, plan, representation, or description designed to show the structure or workings of an object, system, or concept?

• Density

• Volume

• Accuracy

• Model

What is an explanation for some phenomenon that is based on observation, experimentation, and reasoning?

• Theory

• Scientific Notation

• Weight

• Derived Unit

What is a method of expressing a quantity as a number multiplied by 10 to the appropriate power?

• Theory

• Scientific Notation

• Weight

• Derived Unit

What is a measure of the gravitational force exerted on an object?

• Theory

• Scientific Notation

• Weight

• Derived Unit

What is a unit of measure that is a combination of other measurements?

• Theory

• Scientific Notation

• Weight

• Derived Unit

What is an explanation that is based on prior scientific research or observations and that can be tested?

• Conversion Factor

• Hypothesis

• Dimensional Analysis

• SI

What is a mathematical technique for studying dimensions of physical quantities?

• Conversion Factor

• Hypothesis

• Dimensional Analysis

• SI