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What must every scientific measurement include?
Only a number
A symbol
A numerical value and a unit
Only a unit
What is the SI system also called?
The customary system
The decimal system
The imperial system
The metric system
What is dimensional analysis?
Changing units while keeping the same quantity
Measuring mass only
Eliminating decimals from a number
Comparing two numbers without units
What do conversion factors always equal?
One
Ten
Zero
One hundred
What does the numerator of a conversion factor contain?
A different unit
The same unit
No unit
A decimal value
What does the denominator of a conversion factor contain?
No number
Always grams
The same as numerator
A different unit
Which method uses brackets to help cancel units?
Substitution method
Factor tree method
Long division
Train track method
What is percent error?
The percent of correct answers
The number of conversions made
How off your answer is from the accepted result
The exact accepted value
What is the accepted value?
The number you measured
The conversion factor
The correct value used for comparison
The percent you calculate
What is the measured value?
The value you obtain in an experiment
The accepted value
The conversion factor
The error
What is an equation?
A fraction without variables
A math sentence with good grammar
A guess
Only numbers without units
What is the numerator?
The error amount
Numbers and units on bottom
The horizontal line
Numbers and units on top
What is the denominator?
The vinculum
The accepted value
Numbers and units on bottom
Numbers and units on top
What is a vinculum?
The line that means divide
The numerator
The denominator
The equal sign
What is the base unit for mass in SI?
Mole
Gram
Kilogram
Liter
What is the base word for mass in SI?
Gram
Milligram
Kilogram
Centigram
