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Section 1: Units of Measurement

Units of Measurement

1.
Which of the following conversion factors would be most useful in converting feet per second to kilometers per hour?
A)1 hour/60 seconds
B)1 mile/5280 feet
C)1 mile/1.6 kilometers
D)5280 feet/1 mile
2.
A sample of gold has a mass of 15.7 g and displaces 0.81 cm3 of water in a graduated cylinder. What is the density of gold?
A)0.05 g/cm3
B)0.81 g/cm3
C)14.9 g/cm3
D)19.3 g/cm3
3.
In the SI system of measurement, there are seven ________ units
A)metric
B)English
C)derived
D)base
4.
Which of the following lists units in increasing order by volume?
A)microliter < kiloliter < centiliter < liter < milliliter
B)milliliter < centiliter < microliter < kiloliter < liter
C)centiliter < milliliter < liter < kiloliter < microliter
D)microliter < milliliter < centiliter < liter < kiloliter
5.
Below is a list of common prefixes used in the SI and metric systems. Included with each is an abbreviation and a definition. Which set contains an error?
A)mega m 106
B)deci d 10-1
C)centi c 10-2
D)micro μ 10-6
6.
Which of the following physical properties is not paired with the correct SI base unit or measurement?
A)length: meter
B)time: second
C)mass: gram
D)temperature: Kelvin
7.
A unit that is defined by a combination of base units is a(n) ________________.
A)metric unit
B)English unit
C)SI unit
D)derived unit
8.
What scale provides the base unit for temperature in the SI system?
A)Celsius scale
B)Fahrenheit scale
C)Kelvin scale
D)Centigrade
9.
What volume is occupied by 16.4 g of mercury? The density of mercury is 13.6 g/mL.
A)1.21 mL
B)0.829 mL
C)223 mL
D)30.0 mL
10.
What is the density of a sample with a mass of 24.47 g and a volume of 13.2 mL?
A)1.8537 g/mL
B)1.854 g/mL
C)1.85 g/mL
D)1.9 g/mL
11.
What is the temperature 51°C expressed in kelvins?
A)273.0 K
B)222 K
C)324° K
D)324 K
12.
How many kilograms of lead are present in 426 pounds of lead? Each kilogram contains 2.20 pounds.
A)937 kg
B)937.2 kg
C)193.6 kg
D)194 kg
13.
A cube of metal is 1.42 centimeters on an edge. It has a mass of 16.3 grams. What is the density of this metal?
A)4.68 g/cm3
B)4.30 g/cm3
C)5.69 g/cm3
D)6.14 g/cm3
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