Chemistry 101 Midterm Ivy Tech (1-4)
Questions and Answers
1. 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: D
2. 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 inves- tigation.
d. experiments look for other observable predictions of a theory.
e. none of the above.: D
,3. 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: C
4. 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.: D
5. 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: B
6. 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.: B
7. 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.: E
8. Which statement about the scientific method is TRUE?
, a. The scientific method emphasizes reason as the way to
understand the world.
b. The scientific method emphasizes observation and reason as the
way to understand the world.
c. The scientific method emphasizes observation and experimentation
as the way to understand the world.
d. The scientific method emphasizes scientific laws as the way to
understand
the world.
e. All of the above statements are false.: C
9. Who discovered the atomic theory?
a. John Dalton
b. Antoine Lavoisier
c. Nivaldo Tro
d. John Dalton and Antoine Lavoisier
e. None of the above: A
10. Which of the following items does NOT contain chemicals?
a. Drain cleaner
b. Organically grown vegetables
Questions and Answers
1. 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: D
2. 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 inves- tigation.
d. experiments look for other observable predictions of a theory.
e. none of the above.: D
,3. 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: C
4. 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.: D
5. 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: B
6. 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.: B
7. 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.: E
8. Which statement about the scientific method is TRUE?
, a. The scientific method emphasizes reason as the way to
understand the world.
b. The scientific method emphasizes observation and reason as the
way to understand the world.
c. The scientific method emphasizes observation and experimentation
as the way to understand the world.
d. The scientific method emphasizes scientific laws as the way to
understand
the world.
e. All of the above statements are false.: C
9. Who discovered the atomic theory?
a. John Dalton
b. Antoine Lavoisier
c. Nivaldo Tro
d. John Dalton and Antoine Lavoisier
e. None of the above: A
10. Which of the following items does NOT contain chemicals?
a. Drain cleaner
b. Organically grown vegetables
