Matching
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Match each item with the correct statement
below. a. | mass | c. | Celsius temperature scale | b. | Kelvin temperature scale | d. | weight |
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1.
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kilogram is the SI base unit for this quantity
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2.
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the non-SI scale for temperature
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3.
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the SI scale for temperature
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4.
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the force of gravity on an object
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Multiple Choice
Identify the choice that best completes the
statement or answers the question.
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5.
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Multiply 5.0  10  and
8.0  10  and
report the answer in CORRECT scientific notation.
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6.
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The density of mercury is 5,427 kg/(m3).
If the density of water is 1.0 g/mL, will mercury float or sink in water?
a. | Mercury will sink because the density of mercury is
5.427 g/mL, which is greater than the 1.0 g/mL density of water. | b. | Mercury will float because the density of mercury is 0.005427 g/mL, which is
less than the 1.0 g/mL density of water. | c. | Mercury will sink
because the density of mercury is 5,427 g/mL, which is greater than the 1.0 g/mL density of
water. | d. | Mercury will float because the density of mercury is
0.05427 g/mL, which is less than the 1.0 g/mL density of
water. |
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7.
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What is the volume of 80.0 g of ether if the
density of ether is 0.70 g/mL?
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8.
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Which of the following conversion factors would you
use to change 18 kilometers to meters?
a. | 1 km/1000 m | c. | 1000
m/1 km | b. | 100 m/1 km | d. | 1 km/100
m |
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9.
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The standard base unit for mass is
the
a. | gram. | b. | kilogram. | c. | meter. | d. | cubic
centimeter. |
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10.
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On the Celsius scale, at what temperature does
water boil?
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11.
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Which of the following mass units is the
largest?
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12.
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A conversion factor that shows the relationship
between grams and kilograms is
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13.
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Which is the correct measurement for gray bar shown below?  a. | 1.365 | b. | 1.36 | c. | 1.036 | d. | 1.30 |
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14.
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A change in the force of gravity on an object will
affect its
a. | weight. | b. | kinetic energy. | c. | mass. | d. | density. |
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15.
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In the lab, a student measured the length of an item to be 1.53 m, which digit
is the estimated digit?
a. | none are estimated | c. | 1 | b. | 3 | d. | 5 |
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16.
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What is 1  10 3 / 4 
10 -3 in CORRECT scientific notation? [divide] a. | .25  100 | b. | 2.5 
106 | c. | 2.5  10-5 | d. | 2.5 
105 |
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17.
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An object has a mass of 26.94 grams and a volume of 2.568
cubic centimeters. What material is it likely to be made of?
| Substance | iron | gold | silver | copper | | Density (g/cm3) | 7.874 | 19.32 | 10.49 | 8.92 | | | | | |
a. | Silver | b. | Gold | c. | Iron | d. | Copper |
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18.
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The symbol mm represents a
a. | micrometer. | c. | manometer. | b. | megameter. | d. | millimeter. |
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19.
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The symbols for units of length in order from
largest to smallest are
a. | m, cm, mm, km. | c. | km,
mm, cm, m. | b. | km, m, cm,
mm. | d. | mm, m, cm, km. |
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20.
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The SI base unit used to measure mass is
the
a. | kilogram. | c. | meter. | b. | second. | d. | liter. |
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21.
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How is 0.00099 written in scientific notation?
a. | 99 ´ 10–5 | b. | 9.9 ´ 104 | c. | 0.99 ´ 10–3 | d. | 9.9 ´ 10–4 |
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22.
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Which pair of quantities determines the density of
a material?
a. | volume and weight | c. | volume
and mass | b. | volume and concentration | d. | mass and
weight |
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23.
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Which safety measure should you take for every
single laboratory experiment?
a. | Follow your teacher’s
instructions. | b. | Open all classroom
windows. | c. | Wear a lab apron. | d. | Use heat-resistant gloves. |
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24.
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Express the product of 4.0 
10 m and 8.1  10 m using the correct number of significant digits.
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25.
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All of the following are examples of units
except
a. | kilometer. | b. | mass. | c. | ounce. | d. | gram. |
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26.
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A beaker contains 0.5 L of water. What is the volume of this water in
milliliters (1 L = 1000 mL)?
a. | 0.5 mL | b. | 5 mL | c. | 5000 mL | d. | 500
mL |
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27.
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Which of the following shows good precision but poor accuracy? 
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28.
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The product of (2 ´ 104) x (4 ´ 10–6), expressed in scientific notation is ____.
a. | 6 ´ 10-24 | b. | 8 ´
1010 | c. | 8 ´ 10–2 | d. | 8 ´ 10–24 |
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29.
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The density of aluminum is 2.70 g/cm3.
What is the mass of a solid piece of aluminum with a volume of 1.50 cm3?
a. | 0.556 g | b. | 4.05
g | c. | 4.20 g | d. | 1.80
g |
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30.
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Which of these is not an SI base
unit?
a. | second | b. | kilogram | c. | liter | d. | Kelvin |
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31.
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The SI base units for length and time
are
a. | centimeter and hour. | c. | meter and second. | b. | centimeter and
second. | d. | meter and hour. |
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32.
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What is the density of an object having a mass of
8.0 g and a volume of 25 cm ?
a. | 0.32 g/cm | b. | 2.0 g/cm | c. | 200
g/cm | d. | 3.1
g/cm |
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33.
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100 is equal to
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34.
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The chief advantage of the metric system over other
systems of measurement is that it ____.
a. | is in multiples of 10 | b. | is in multiples of 15 | c. | is derived from
nature itself | d. | has more
units |
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35.
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The diameter of a carbon atom is 0.000 000 000 154 m. What is this number
expressed in scientific notation?
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36.
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The unit m3 measures
a. | length. | b. | volume. | c. | area. | d. | time. |
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37.
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The radius of Earth is 6 370 000 m. Express this
measurement in km in scientific notation with the correct number of significant digits.
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38.
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Which is the correct measurement for location marked by the
arrow?
a. | 17.8 | b. | 17.7 | c. | 17.76 | d. | 17.076 |
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39.
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The expression of 8336 in scientific notation is ____.
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40.
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The density of an object is calculated
by
a. | dividing its volume by its mass. | c. | multiplying its mass times its volume. | b. | adding its mass to its volume. | d. | dividing its mass
by its volume. |
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