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