Matching



Match each item with the correct statement
below. a.  mass  c.  Celsius temperature scale  b.  Kelvin temperature scale  d.  weight 


1.

kilogram is the SI base unit for this quantity


2.

the nonSI scale for temperature


3.

the SI scale for temperature


4.

the force of gravity on an object

Multiple Choice Identify the choice that best completes the
statement or answers the question.


5.

Multiply 5.0 10 ^{} and
8.0 10 ^{ } and
report the answer in CORRECT scientific notation.
a.  40 10^{0}  b.  4.0 10^{}  c.  40 10^{}  d.  4.0 10^{} 


6.

The density of mercury is 5,427 kg/(m^{3}).
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. 


7.

What is the volume of 80.0 g of ether if the
density of ether is 0.70 g/mL?
a.  8.0 10^{}  b.  1.1 10^{}  c.  8.8 10^{}  d.  5.6 10^{} 


8.

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 


9.

The standard base unit for mass is
the
a.  gram.  b.  kilogram.  c.  meter.  d.  cubic
centimeter. 


10.

On the Celsius scale, at what temperature does
water boil?


11.

Which of the following mass units is the
largest?


12.

A conversion factor that shows the relationship
between grams and kilograms is


13.

Which is the correct measurement for gray bar shown below?
a.  1.365  b.  1.36  c.  1.036  d.  1.30 


14.

A change in the force of gravity on an object will
affect its
a.  weight.  b.  kinetic energy.  c.  mass.  d.  density. 


15.

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 


16.

What is 1 10 ^{3} / 4
10 ^{3} in CORRECT scientific notation? [divide]
a.  .25 10^{0}  b.  2.5
10^{6}  c.  2.5 10^{5}  d.  2.5
10^{5} 


17.

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/cm^{3})  7.874  19.32  10.49  8.92      
a.  Silver  b.  Gold  c.  Iron  d.  Copper 


18.

The symbol mm represents a
a.  micrometer.  c.  manometer.  b.  megameter.  d.  millimeter. 


19.

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. 


20.

The SI base unit used to measure mass is
the
a.  kilogram.  c.  meter.  b.  second.  d.  liter. 


21.

How is 0.00099 written in scientific notation?
a.  99 ´ 10^{–5}  b.  9.9 ´ 10^{4}  c.  0.99 ´ 10^{–3}  d.  9.9 ´ 10^{–4} 


22.

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 


23.

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 heatresistant gloves. 


24.

Express the product of 4.0
10^{} m and 8.1 10^{ }m using the correct number of significant digits.
a.  3 10^{}  b.  3.0
10^{}  c.  3.24 10^{}  d.  3.2 10^{} 


25.

All of the following are examples of units
except
a.  kilometer.  b.  mass.  c.  ounce.  d.  gram. 


26.

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 


27.

Which of the following shows good precision but poor accuracy?


28.

The product of (2 ´ 10^{4}) x (4 ´ 10^{–6}), expressed in scientific notation is ____.
a.  6 ´ 10^{24}  b.  8 ´
10^{10}  c.  8 ´ 10^{–2}  d.  8 ´ 10^{–24} 


29.

The density of aluminum is 2.70 g/cm^{3}.
What is the mass of a solid piece of aluminum with a volume of 1.50 cm^{3}?
a.  0.556 g  b.  4.05
g  c.  4.20 g  d.  1.80
g 


30.

Which of these is not an SI base
unit?
a.  second  b.  kilogram  c.  liter  d.  Kelvin 


31.

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. 


32.

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^{} 


33.

10^{0} is equal to


34.

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 


35.

The diameter of a carbon atom is 0.000 000 000 154 m. What is this number
expressed in scientific notation?
a.  1.54 10^{}
m  b.  1.54 10^{}
m  c.  1.54 10^{}
m  d.  1.54 10^{}
m 


36.

The unit m^{3} measures
a.  length.  b.  volume.  c.  area.  d.  time. 


37.

The radius of Earth is 6 370 000 m. Express this
measurement in km in scientific notation with the correct number of significant digits.


38.

Which is the correct measurement for location marked by the
arrow?
a.  17.8  b.  17.7  c.  17.76  d.  17.076 


39.

The expression of 8336 in scientific notation is ____.
a.  83.36 10^{}
 b.  8.336 10^{}
 c.  8.336 10^{}
 d.  8.336 10^{}



40.

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. 
