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How do chemists find their error?
 
By calculating percent error with GUESS
 
By guessing values
 
By removing units
 
By measuring mass only
What method helps build ratios for conversions?
 
Train track method
 
Tree diagram
 
Long division
 
GUESS method
What does percent error compare?
 
Measured value to accepted value
 
Numerator to denominator
 
SI units to imperial units
 
Equation to conversion factor
What is dimensional analysis used for?
 
Keeping track of units with algebra
 
Finding volume only
 
Guessing values
 
Measuring distance
What does “Top Times Denominator Divide” help with?
 
Calculator input
 
Finding percent error
 
Identifying SI units
 
Measuring volume
What does the Greek symbol ÎĽ (mu) represent?
 
Micro (one-millionth)
 
Milli (one-thousandth)
 
Mega (one million)
 
Nano (one-billionth)
What does “unit of measurement” mean?
 
Word or phrase for types of measurements
 
A conversion factor
 
A scientific equation
 
The value of an error
What is the base word for mass in SI?
 
Gram
 
Kilogram
 
Milligram
 
Centigram
What is the base unit for mass in SI?
 
Kilogram
 
Gram
 
Mole
 
Liter
What is a vinculum?
 
The line that means divide
 
The numerator
 
The denominator
 
The equal sign
What is the denominator?
 
Numbers and units on bottom
 
Numbers and units on top
 
The vinculum
 
The accepted value
What is the numerator?
 
Numbers and units on top
 
Numbers and units on bottom
 
The horizontal line
 
The error amount
What is an equation?
 
A math sentence with good grammar
 
A guess
 
Only numbers without units
 
A fraction without variables
What is the measured value?
 
The value you obtain in an experiment
 
The accepted value
 
The conversion factor
 
The error
What is the accepted value?
 
The correct value used for comparison
 
The number you measured
 
The percent you calculate
 
The conversion factor
What is percent error?
 
How off your answer is from the accepted result
 
The percent of correct answers
 
The exact accepted value
 
The number of conversions made
Which method uses brackets to help cancel units?
 
Train track method
 
Factor tree method
 
Long division
 
Substitution method
What does the denominator of a conversion factor contain?
 
A different unit
 
The same as numerator
 
No number
 
Always grams
What does the numerator of a conversion factor contain?
 
A different unit
 
The same unit
 
No unit
 
A decimal value
What do conversion factors always equal?
 
One
 
Zero
 
Ten
 
One hundred
What is dimensional analysis?
 
Changing units while keeping the same quantity
 
Measuring mass only
 
Comparing two numbers without units
 
Eliminating decimals from a number
What is the SI system also called?
 
The metric system
 
The imperial system
 
The customary system
 
The decimal system
What must every scientific measurement include?
 
A numerical value and a unit
 
Only a number
 
Only a unit
 
A symbol
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