9th Grade- Chapter 1 Test Review

​A ______ is a standard amount, like a kilometer or a gallon, that is used to communicate different quantities.​

​The _____is a measurement system used for everyday measurements in the United States.​

• English System

• measurement

• SI

• length

When someone determines the amount of something using a value and a unit, they are making a(n) _____.

• length

• distance

• dimensional analysis

• measurement

​A(n) ______ is a unit of length in SI that equals 100 centimeters.​

• measurement

• meter

• length

• significant digits

​Meaningful digits in a measured quantity are known as ______.​

• accuracy

• precision

• significant digits

• significant difference

​A ratio that has a value of one and is used when setting up unit conversion problems is called a(n) _____.​

• conversion factor

• dimensional analysis

• distance

• unit

​A method of using conversion factors and unit canceling to solve a unit conversion problem is called ______.​

• accuracy

• dimensional analysis

• measurement

• significant difference

​ _____ refers to the smallest interval that can be measured.​

• accuracy

• conversion factor

• length

• resolution

​When you describe how close a measured quantity is to a true or accepted value, you are describing its _____.​

• accuracy

• precision

• resolution

• distance

_____ describes how close together repeated measurements are.​

• accuracy

• resolution

• precision

• dimensional analysis