Matching



Match each item with the correct statement below. a.  absolute zero  e.  mass  b.  Kelvin temperature scale  f.  significant figure  c.  Celsius temperature
scale  g.  precision  d.  weight  h.  accuracy 


1.

closeness to true value


2.

narrowness of range of measurements


3.

the quantity of matter an object contains


4.

the lowest point on the Kelvin scale


5.

the SI scale for temperature


6.

the force of gravity on an object


7.

the nonSI scale for temperature

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


8.

What is the result of adding 2.5 10 ^{} and 3.5 10 ^{}?
a.  2.9 10^{}  b.  6.0
10^{}  c.  2.9 10^{}  d.  6.0 10^{} 


9.

Which group of measurements is the most precise? (Each group of measurements is
for a different object.)
a.  2 g, 3 g, 4 g  c.  1.2 g, 1.4 g, 1.3 g  b.  2.0 g, 3.0 g, 4.0 g  d.  1 g, 3 g, 5 g 


10.

In the measurement 0.503 L, which digit is the estimated digit?
a.  5  b.  3  c.  the 0 immediately to
the left of the 3  d.  the 0 to the left of the decimal
point 


11.

Which of the following volumes is the smallest?
a.  one decaliter  b.  one liter  c.  one milliliter  d.  one
deciliter 


12.

What is the volume of a salt crystal measuring 2.44 10 ^{} m by 1.4 10 ^{} m by 8.4
10 ^{} m?
a.  2.9 10^{} m^{}  c.  2.9 10^{}
m^{}  b.  2.9
10^{} m^{}  d.  2.9 10^{} m^{} 


13.

What is the temperature of absolute zero measured in C?
a.  –373C  b.  –273C  c.  –173C  d.  –73C 


14.

Which temperature scale has no negative temperatures?
a.  Celsius  b.  Fahrenheit  c.  Joule  d.  Kelvin 


15.

Which of the following mass units is the largest?
a.  1 cg  b.  1 dg  c.  1 mg  d.  1 dag 


16.

The weight of an object ____.
a.  is the same as its mass  c.  is not affected by
gravity  b.  depends on its location  d.  is always the same 


17.

What is the temperature –34 C expressed in kelvins?
a.  139 K  b.  207 K  c.  239 K  d.  339
K 


18.

If the temperature changes by 100 K, by how much does it change in C?


19.

A train travels at a speed of 30 miles per hour. If 1 mile = 1.6 kilometers, how
fast is the train traveling in kilometers per minute?
a.  0.4 km/min  c.  0.8 km/min  b.  0.6 km/min  d.  1.0 km/min 


20.

Density is found by dividing ____.
a.  mass by volume  c.  mass by area  b.  volume by mass  d.  area by mass 


21.

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.  3.1 g/cm^{}  d.  200 g/cm^{} 


22.

How is 4.12 x 10^{4} written in standard decimal notation?
a.  41200  b.  0.000412  c.  4120  d.  0.0412 


23.

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


24.

The accepted value is 1.43. Which correctly describes this student’s
experimental data? Trial  Measurement  1  1.29  2  1.93  3  0.88   
a.  accurate but not precise  c.  both accurate and
precise  b.  precise but not accurate  d.  neither accurate nor precise 


25.

Which term is described as the amount of matter in an object?
a.  density  c.  mass  b.  volume  d.  length 


26.

Which term describes the amount of mass contained per unit volume?
a.  mass  c.  length  b.  temperature  d.  density 


27.

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.  Iron  c.  Silver  b.  Gold  d.  Copper 


28.

The product of 2 x 10^{4} cm and 4 x 10^{–12} cm,
expressed in scientific notation is ____.
a.  8 x 10^{–7} cm  c.  8 x 10^{–8}
cm  b.  6 x 10^{–8} cm  d.  8 x 10^{–48}
cm 


29.

A theory is a ____.
a.  proposed explanation for an observation  b.  welltested
explanation for a broad set of observations  c.  summary of the results of many
observations  d.  procedure used to test a proposed explanation 


30.

The accepted value for the density of iron is 7.87 g/cm^{3}. A student
records the mass of a 20.00cm^{3 }block of iron as 153.8 grams. What is the percent error
for the density measurement?
a.  19.4%  c.  2.29%  b.  7.69%  d.  2.34% 


31.

A bottle contains 3.100 mL of a liquid. The total mass of the bottle and the
liquid together is 6.300 g. The mass of the empty bottle is 4.240 g. What is the density of the
liquid?
a.  0.665 g/mL  c.  1.505 g/mL  b.  1.368 g/mL  d.  2.032 g/mL 


32.

Which of the following observations is quantitative?
a.  The liquid turns blue litmus paper red.  b.  The liquid boils at
100°C.  c.  The liquid tastes bitter.  d.  The liquid is
cloudy. 


33.

Which of the following observations is qualitative?
a.  A chemical reaction was complete in 2.3 seconds.  b.  The solid had a mass
of 23.4 grams.  c.  The pH of a liquid was 5.  d.  Salt crystals formed as the liquid
evaporated. 


34.

A statement that can be tested experimentally is a
a.  variable.  b.  model.  c.  generalization.  d.  hypothesis. 


35.

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


36.

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


37.

The symbols for units of length in order from largest to smallest are
a.  m, cm, mm, km.  c.  km, mm, cm, m.  b.  mm, m, cm, km.  d.  km, m, cm, mm. 


38.

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


39.

A volume of 1 milliliter is equivalent to
a.  1 cubic centimeter.  c.  1 liter.  b.  1 gram.  d.  10^{–1} cubic
decimeters. 


40.

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


41.

The relationship between the mass m of a material, its volume V,
and its density D is
a.  D = mV.  b.  D = V/m.  c.  D = m/V.  d.  D = m +
v. 


42.

The density of pure diamond is 3.5 g/cm^{3}. What is the volume of a
diamond with a mass of 0.25 g?
a.  0.071 cm^{3}  b.  0.875 cm^{3}  c.  3.75 cm^{3}  d.  14
cm^{3} 


43.

10 000 milliliters is equivalent to
a.  1 hectoliter.  c.  1 centiliter.  b.  1 dekaliter.  d.  1 deciliter. 


44.

0.25 g is equivalent to
a.  250 kg.  b.  250 mg.  c.  0.025 mg.  d.  0.025
kg. 


45.

The number of grams equal to 0.5 kg is
a.  0.0005  b.  0.005  c.  500  d.  5000 


46.

How many minutes are in 1 week?
a.  168 min  b.  1440 min  c.  10 080 min  d.  100 800
min 


47.

If 1 inch equals 2.54 cm, how many centimeters equal 1 yard?
a.  0.0706 cm  b.  14.2 cm  c.  30.5 cm  d.  91.4
cm 


48.

A numerical result is said to have good precision if
a.  it agrees closely with an accepted value.  b.  repeated
measurements agree closely.  c.  it has a small number of significant
figures.  d.  it is a large whole number. 


49.

How is the measurement 0.000 065 cm written in scientific notation?
a.  65 x 10^{–6} cm  c.  6.5 x 10^{–6}
cm  b.  6.5 x 10^{–5} cm  d.  6.5 x 10^{–4}
cm 


50.

The average distance between the Earth and the moon is 386 000 km. Expressed in
scientific notation, this distance is written as
a.  386 x 10^{3} km.  c.  3.9 x 10^{5}
km.  b.  39 x 10^{4} km.  d.  3.86 x 10^{5} km. 


51.

When 1.92 x 10^{–6} kg is divided by 6.8 x 10^{2} mL, the
quotient equals
a.  2.8 x 10^{–4 }kg/mL.  c.  2.8 x 10^{–8
}kg/mL.  b.  2.8 x 10^{–5 }kg/mL.  d.  2.8 x 10^{–9
}kg/mL. 


52.

The result of dividing 10^{7} by 10^{–3} is
a.  10^{–4}  b.  10^{2.5}  c.  10^{4}  d.  10^{10} 


53.

What is the result of multiplying 2.5 10 ^{} by 3.5 10 ^{}?
a.  8.75 10^{}  c.  8.75
10^{}  b.  8.75
10^{}  d.  8.75 10^{} 


54.

How is 2.97 x 10^{5} written in standard decimal notation?
a.  0.000297  b.  29700  c.  0.0000297  d.  297000 


55.

The result of multiplying 10^{5} by 10^{–2} is
a.  10^{–3}  b.  10^{3}  c.  10^{7}  d.  10^{10} 

True/False Indicate whether the statement is true or
false.


56.

If you wear glasses already, you do not need to wear safety goggles.


57.

When moving from a small unit, such as grams, to a larger unit, such as
kilograms, the numerical value will increase.


58.

When recording a measurement using an instrument that has markings that
represent the one hundreds place, you must record your answer to the closest ones place.


59.

A temperature of 55°F is approximately equivalent to 13°C.


60.

A measurement of 5.685 x 10^{6} is equivalent to 0.0000005685.
