Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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The unit of time used most commonly by scientists is the:
a. | second. | b. | minute. | c. | hour. | d. | light year. |
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2.
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Which of the following are in the correct order from smallest to largest?
a. | Millimeter, meter, centimeter, kilometer | b. | Millimeter,
centimeter, meter, kilometer | c. | Centimeter, millimeter, meter,
kilometer | d. | Meter, millimeter, centimeter, kilometer |
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3.
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Which of the following is NOT a unit of measurement in the metric system?
a. | Meter | b. | Second | c. | Centimeter | d. | Foot |
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4.
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Which is an example of historical time?
a. | 25 seconds | b. | Friday at 2:00 | c. | 4
days | d. | A year |
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5.
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Which is an example of a quantity of time?
a. | Friday at 2:00 | b. | One year | c. | Last
week | d. | December 2008 |
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6.
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The variable d is the distance traveled by a car. Which of the following
is the most likely value for d?
a. | 20 milliliters | b. | 20 millimeters | c. | 20
kilograms | d. | 20 kilometers |
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7.
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Which would be the most convenient unit for measuring the distance between Earth
and the Sun?
a. | Meter | b. | Micron | c. | Astronomical
Unit | d. | Kilometer |
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8.
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How many centimeters are in 2 kilometers?
a. | 200 | b. | 2,000 | c. | 20,000 | d. | 200,000 |
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9.
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The conversion factor for changing one unit of length to another in the metric
system is a multiple of:
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10.
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Because it is based on factors of 10 and is easy to work with, scientists prefer
to use the ____ system.
a. | metric | b. | English | c. | scientific | d. | control |
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11.
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How many seconds are in a stopwatch showing 1 hour, 3 minutes, and 10
seconds?
a. | 68 seconds | b. | 245 seconds | c. | 7,390
seconds | d. | 10,805 seconds |
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12.
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If you were given a penny every second for 1 hour, how much money would you
have?
a. | $0.60 | b. | $36.00 | c. | $60.00 | d. | $3,600.00 |
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13.
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It is important to include units when making measurements because:
a. | units provide information about the type of measurement. | b. | without units, it is
impossible to tell the quantity being measured. | c. | units help describe the size of the quantity
being measured. | d. | All of the above |
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Completion
Complete each
statement.
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Select the correct term to complete each sentence. There are extra terms in
the list.| chemical reaction | second | units | | hour | scientific theory | natural law | | energy | quantities | minute | | scientific method | mass | repeatable | | | |
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14.
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One ____________________ has 60 seconds.
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15.
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____________________ provide information about the type of measurement and help
describe the size of the quantity being measured.
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16.
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The ____________________ is the basic unit of time in both the English and
metric systems.
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Problem
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17.
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Calculate the number of millimeters in 4 kilometers.
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18.
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How many centimeters tall is a person who is 1.65 meters tall?
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19.
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Convert the following quantity of time to seconds.
2:05:22
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20.
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Arrange the following lengths from shortest to longest:
5 centimeters; 65
millimeters; 0.04 kilometers; 10 meters
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Essay
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21.
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Tell why it is important to include units whenever you describe a
measurement.
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