PHYS 121 Study Guide Question and answers correctly solved 2025
1. How many meters are in 6
The correct answer is:
feet? Select one:
1.82 m
a. 1.82 m
b. 19.7 m
c. 0.54 m
d. None are correct.
2. How many meters are in a
The correct answer is:
kilometer? Select one:
1000 m
a. 0.1 m
b. 100 m
c. 1000 m
d. 10,000 m
3. In general, scientific investigations have which
The correct answer is:
activi- ties in common?
Make observations,
Select one: devel- op explanations,
a. Make observations, gather data and make test ex- planations
conclu- sions
b. Make observations, reason an
explanation for what is observed
c. Make observations, develop explanations,
test ex- planations
d. Make observations, collect data, modify
data to fit scientific model
4. Once a scientific theory is developed, it may The correct answer is:
not be modified. False
Select one:
a. True
b. False
,PHYS 121 Study Guide Question and answers correctly solved 2025
5. Science can never prove anything to be complex
true. Select one: used to
a. True solve a
b. False problem
6. Since the scientific process is not a rigid
method and can follow many different paths,
testing hypotheses and ideas is not required
to come to a scientific con- clusion.
Select one:
a. True
b. False
7. There are no "facts" in
science. Select one:
a. True
b. False
8. What do we call any well-defined and agreed-
upon referent used as a standard in a system
of measure- ment?
Select one:
a. unit
b. quantity
c. fundamental
d. measurement systems do not have a
standard.
9. Which of the following are conceptual
models? Select one:
a. a physical copy of an object or system
made at a smaller scale.
b. a flowchart or idea map of something
,PHYS 121 Study Guide Question and answers correctly solved 2025
The correct answer is: True
The correct answer is: False
The correct answer is: False
The correct answer is: unit
The correct answer is: All of these are examples of models.
,PHYS 121 Study Guide Question and answers correctly solved 2025
c. an interpretation of a theory by use of an There is
equation. never
d. All of these are examples of models. any back
tracking
10. Which of the following are considered
c. The
fundamental properties? (Select all that
scientific
apply)
method
Select one or more:
can be
a. length
used to
b. mass
prove
c. time other-
d. weight wise un-
e. velocity testable
f. density hypothese
g. pressure s
11. Which of the following is NOT a scientifically
testable statement?
Select one:
a. Every living being has a soul.
b. The Earth is flat.
c. The Earth is the center of the Universe.
d. The Earth is cooling due to human
intervention.
12. Which of the following is true regarding the
scientific method?
Select one:
a. One test is enough to prove a hypothesis
and ele- vates that hypothesis to theory
status.
b. The steps of the scientific method are
always pre- formed in a particular order;
1. How many meters are in 6
The correct answer is:
feet? Select one:
1.82 m
a. 1.82 m
b. 19.7 m
c. 0.54 m
d. None are correct.
2. How many meters are in a
The correct answer is:
kilometer? Select one:
1000 m
a. 0.1 m
b. 100 m
c. 1000 m
d. 10,000 m
3. In general, scientific investigations have which
The correct answer is:
activi- ties in common?
Make observations,
Select one: devel- op explanations,
a. Make observations, gather data and make test ex- planations
conclu- sions
b. Make observations, reason an
explanation for what is observed
c. Make observations, develop explanations,
test ex- planations
d. Make observations, collect data, modify
data to fit scientific model
4. Once a scientific theory is developed, it may The correct answer is:
not be modified. False
Select one:
a. True
b. False
,PHYS 121 Study Guide Question and answers correctly solved 2025
5. Science can never prove anything to be complex
true. Select one: used to
a. True solve a
b. False problem
6. Since the scientific process is not a rigid
method and can follow many different paths,
testing hypotheses and ideas is not required
to come to a scientific con- clusion.
Select one:
a. True
b. False
7. There are no "facts" in
science. Select one:
a. True
b. False
8. What do we call any well-defined and agreed-
upon referent used as a standard in a system
of measure- ment?
Select one:
a. unit
b. quantity
c. fundamental
d. measurement systems do not have a
standard.
9. Which of the following are conceptual
models? Select one:
a. a physical copy of an object or system
made at a smaller scale.
b. a flowchart or idea map of something
,PHYS 121 Study Guide Question and answers correctly solved 2025
The correct answer is: True
The correct answer is: False
The correct answer is: False
The correct answer is: unit
The correct answer is: All of these are examples of models.
,PHYS 121 Study Guide Question and answers correctly solved 2025
c. an interpretation of a theory by use of an There is
equation. never
d. All of these are examples of models. any back
tracking
10. Which of the following are considered
c. The
fundamental properties? (Select all that
scientific
apply)
method
Select one or more:
can be
a. length
used to
b. mass
prove
c. time other-
d. weight wise un-
e. velocity testable
f. density hypothese
g. pressure s
11. Which of the following is NOT a scientifically
testable statement?
Select one:
a. Every living being has a soul.
b. The Earth is flat.
c. The Earth is the center of the Universe.
d. The Earth is cooling due to human
intervention.
12. Which of the following is true regarding the
scientific method?
Select one:
a. One test is enough to prove a hypothesis
and ele- vates that hypothesis to theory
status.
b. The steps of the scientific method are
always pre- formed in a particular order;
