Chemistry 101 Midterm Ivy Tech (1-4) exam \| \| \| \| \| \| \|
questions with answers \| \|
Which of the following would be considered a theory?
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a. glass is fragile
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b. hot air rises
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c. gasoline has a very strong odor.
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d. helium balloons float because helium is less dense than air.
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e. none of the above - CORRECT ANSWERS ✔✔D
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Which statement accurately describes the purpose of
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experiments?
a. experiments are designed to produce the results predicted by
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a theory.
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b. experiments can be replaced by a simple, logical reasoning of
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known facts. \|
c. experiments are designed to produce unexplainable results for
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further investigation.
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d. experiments look for other observable predictions of a theory.
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e. none of the above. - CORRECT ANSWERS ✔✔D
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,What term best describes a brief statement that summarizes
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many past observations and predicts new ones?
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a. experiment
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b. hypothesis
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c. scientific law
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d. theory
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e. none of the above - CORRECT ANSWERS ✔✔C
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Which statement would NOT be an example of "quantification"?
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a. The newest model of that car gets five more miles per gallon
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than last year's model.
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b. The price of milk went up ten cents per gallon.
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c. The average high temperature this July was two degrees
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higher than last year's average high temperature.
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d. The water in the swimming pool feels colder than it was
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yesterday. \|
e. None of the above. - CORRECT ANSWERS ✔✔D
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Who discovered the law of conservation of mass?
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a. John Dalton
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b. Antoine Lavoisier
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c. Nivaldo Tro
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, d. John Dalton and Antoine Lavoisier
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e. None of the above - CORRECT ANSWERS ✔✔B
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What is the definition of a scientific theory?
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a. A brief statement that summarizes past observations and
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predicts future ones. \| \| \|
b. A model that explains the underlying reasons for observations
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and laws.
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c. The equivalent of a scientific opinion which others may
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disagree with. \|
d. A method of learning that emphasizes reason as the way to
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understand the world. \| \| \|
e. None of the above. - CORRECT ANSWERS ✔✔B
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Which of the statements below is NOT part of the scientific
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method?
a. Observation and measurement
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b. Formation of a hypothesis
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c. Testing of a hypothesis by experimentation
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d. Refinement of a hypothesis as needed
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e. All of the above steps are part of the scientific method. -
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CORRECT ANSWERS ✔✔E \| \|
Which statement about the scientific method is TRUE?
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questions with answers \| \|
Which of the following would be considered a theory?
\| \| \| \| \| \| \| \|
a. glass is fragile
\| \| \|
b. hot air rises
\| \| \|
c. gasoline has a very strong odor.
\| \| \| \| \| \|
d. helium balloons float because helium is less dense than air.
\| \| \| \| \| \| \| \| \| \|
e. none of the above - CORRECT ANSWERS ✔✔D
\| \| \| \| \| \| \| \|
Which statement accurately describes the purpose of
\| \| \| \| \| \| \|
experiments?
a. experiments are designed to produce the results predicted by
\| \| \| \| \| \| \| \| \| \|
a theory.
\|
b. experiments can be replaced by a simple, logical reasoning of
\| \| \| \| \| \| \| \| \| \| \|
known facts. \|
c. experiments are designed to produce unexplainable results for
\| \| \| \| \| \| \| \| \|
further investigation.
\| \|
d. experiments look for other observable predictions of a theory.
\| \| \| \| \| \| \| \| \|
e. none of the above. - CORRECT ANSWERS ✔✔D
\| \| \| \| \| \| \| \|
,What term best describes a brief statement that summarizes
\| \| \| \| \| \| \| \| \|
many past observations and predicts new ones?
\| \| \| \| \| \|
a. experiment
\|
b. hypothesis
\|
c. scientific law
\| \|
d. theory
\|
e. none of the above - CORRECT ANSWERS ✔✔C
\| \| \| \| \| \| \| \|
Which statement would NOT be an example of "quantification"?
\| \| \| \| \| \| \| \| \|
a. The newest model of that car gets five more miles per gallon
\| \| \| \| \| \| \| \| \| \| \| \| \|
than last year's model.
\| \| \|
b. The price of milk went up ten cents per gallon.
\| \| \| \| \| \| \| \| \| \| \|
c. The average high temperature this July was two degrees
\| \| \| \| \| \| \| \| \| \|
higher than last year's average high temperature.
\| \| \| \| \| \| \|
d. The water in the swimming pool feels colder than it was
\| \| \| \| \| \| \| \| \| \| \| \|
yesterday. \|
e. None of the above. - CORRECT ANSWERS ✔✔D
\| \| \| \| \| \| \| \|
Who discovered the law of conservation of mass?
\| \| \| \| \| \| \|
a. John Dalton
\| \|
b. Antoine Lavoisier
\| \|
c. Nivaldo Tro
\| \|
, d. John Dalton and Antoine Lavoisier
\| \| \| \| \|
e. None of the above - CORRECT ANSWERS ✔✔B
\| \| \| \| \| \| \| \|
What is the definition of a scientific theory?
\| \| \| \| \| \| \|
a. A brief statement that summarizes past observations and
\| \| \| \| \| \| \| \| \|
predicts future ones. \| \| \|
b. A model that explains the underlying reasons for observations
\| \| \| \| \| \| \| \| \| \|
and laws.
\| \|
c. The equivalent of a scientific opinion which others may
\| \| \| \| \| \| \| \| \| \|
disagree with. \|
d. A method of learning that emphasizes reason as the way to
\| \| \| \| \| \| \| \| \| \| \| \|
understand the world. \| \| \|
e. None of the above. - CORRECT ANSWERS ✔✔B
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Which of the statements below is NOT part of the scientific
\| \| \| \| \| \| \| \| \| \| \|
method?
a. Observation and measurement
\| \| \|
b. Formation of a hypothesis
\| \| \| \|
c. Testing of a hypothesis by experimentation
\| \| \| \| \| \|
d. Refinement of a hypothesis as needed
\| \| \| \| \| \|
e. All of the above steps are part of the scientific method. -
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CORRECT ANSWERS ✔✔E \| \|
Which statement about the scientific method is TRUE?
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