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15
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What is dimensional analysis used for?
Measuring distance
Finding volume only
Guessing values
Keeping track of units with algebra
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seesaw
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shark
Other team loses 10 points!
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rocket
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thief
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5
10
15
20
25
15
×
What method helps build ratios for conversions?
Train track method
GUESS method
Long division
Tree diagram
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15
×
What is the base word for mass in SI?
Centigram
Gram
Milligram
Kilogram
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15
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What does percent error compare?
Equation to conversion factor
Measured value to accepted value
SI units to imperial units
Numerator to denominator
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15
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What is the denominator?
The accepted value
Numbers and units on top
The vinculum
Numbers and units on bottom
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15
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What is dimensional analysis?
Changing units while keeping the same quantity
Measuring mass only
Comparing two numbers without units
Eliminating decimals from a number
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banana
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gift
Win 25 points!
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shark
Other team loses 25 points!
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baam
Lose 15 points!
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15
×
How do chemists find their error?
By calculating percent error with GUESS
By measuring mass only
By guessing values
By removing units
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15
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What does the denominator of a conversion factor contain?
Always grams
No number
A different unit
The same as numerator
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15
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What does the Greek symbol μ (mu) represent?
Micro (one-millionth)
Mega (one million)
Nano (one-billionth)
Milli (one-thousandth)
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15
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What must every scientific measurement include?
A numerical value and a unit
A symbol
Only a unit
Only a number
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15
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What is percent error?
The exact accepted value
The percent of correct answers
How off your answer is from the accepted result
The number of conversions made
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banana
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seesaw
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shark
Other team loses 15 points!
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lifesaver
Give 25 points!
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15
×
What does “Top Times Denominator Divide” help with?
Calculator input
Measuring volume
Finding percent error
Identifying SI units
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banana
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magnet
Take 15 points!
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shark
Other team loses 25 points!
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banana
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