When designing an experiment,
the first step is to ____.
a. analyze the data
b. list a procedure
c. state a hypothesis
d. state the problem
When designing an experiment, the
first step is to ____.
a.analyze the data
b. list a procedure
c. state a hypothesis
d. state the problem
A standard for comparison that helps to
ensure that the experimental result is
caused by the condition being tested is
the ____.
a. Constant
b. Control
c. dependent variable
d. hypothesis
A standard for comparison that helps to
ensure that the experimental result is
caused by the condition being tested is the
____.
a. Constant
b. Control
c. dependent variable
d. hypothesis
A factor in an experiment that
changes from the manipulation of the
independent variable is the ____.
a.Constant
b.Control
c.dependent variable
d.hypothesis
A factor in an experiment that
changes from the manipulation of
the independent variable is
the ____.
a.Constant
b.Control
c.dependent variable
d.hypothesis
A factor that does NOT change in
an experiment is the ____.
a.Constant
b.Control
c.dependent variable
d.hypothesis
A factor that does NOT change in an
experiment is the ____.
a.Constant
b.Control
c.dependent variable
d.hypothesis
Studying the effect of one thing on
another in order to test a hypothesis
is a(n) ____.
a.Exercise
b.Experiment
c.Constant
d.Problem
Studying the effect of one thing on
another in order to test a hypothesis
is a(n) ____.
a.Exercise
b.Experiment
c.Constant
d.Problem
A factor that is manipulated in an
experiment to change the dependent
variable is the ____.
a.Constant
b.dependent variable
c.Control
d.independent variable
A factor that is manipulated in an
experiment to change the
dependent variable is the ____.
a.Constant
b.dependent variable
c.Control
d.independent variable
How many meters are there in 1,865
cm?
a.0.1865
b.1.865
c.18.65
d.186.5
How many meters are there in 1,865
cm?
a.0.1865
b.1.865
c.18.65
d.186.5
A beaker contains 0.32 L of water.
What is the volume of this water in
milliliters?
a.320 mL
b.3.2 mL
c.32 mL
d.0.32 mL
A beaker contains 0.32 L of water.
What is the volume of this water in
milliliters?
a.320 mL
b.3.2 mL
c.32 mL
d.0.32 mL
Physics is the most basic science because
a.
the foundation of biology is chemistry and
the foundation of chemistry is physics.
b.
it is about the nature of basic things like
forces, energy, and motion.
c.
the ideas of physics extend into more
complex sciences.
d.
you can better understand science in
general if you understand physics.
e.
all of the above
Physics is the most basic science because
a.
the foundation of biology is chemistry and
the foundation of chemistry is physics.
b.
it is about the nature of basic things like
forces, energy, and motion.
c.
the ideas of physics extend into more
complex sciences.
d.
you can better understand science in
general if you understand physics.
e.
all of the above
Which of the following is a reason to
express scientific findings
mathematically?
a. The findings become more difficult to
prove by experiment.
b. The findings become easier to verify
by experiment.
c. The findings become more confusing.
d. The findings become less appealing
to the public.
Which of the following is a reason to
express scientific findings
mathematically?
a. The findings become more difficult to
prove by experiment.
b. The findings become easier to
verify by experiment.
c. The findings become more confusing.
d. The findings become less appealing
to the public.
A hypothesis is
a. the long side of a right triangle.
b. an educated guess that has yet to be
proven by experiment.
c. close agreement by competent observers
of observations of the same phenomena.
d. a guess that has been tested over and
over again and always found to be true.
e. a synthesis of a large collection of
information that includes guesses.
A hypothesis is
a. the long side of a right triangle.
b. an educated guess that has yet to be
proven by experiment.
c. close agreement by competent observers
of observations of the same phenomena.
d. a guess that has been tested over and
over again and always found to be true.
e. a synthesis of a large collection of
information that includes guesses.
A scientific fact is
a. something you believe is true because
you have been taught it.
b. a guess that has been tested over and
over again and always found to be true.
c. close agreement by competent observers
of observations of the same phenomena.
d. an educated guess that has yet to be
proven by experiment.
e. a synthesis of a collection of data that
includes well-tested guesses.
A scientific fact is
a. something you believe is true because
you have been taught it.
b. a guess that has been tested over and
over again and always found to be true.
c. close agreement by competent
observers of observations of the same
phenomena.
d. an educated guess that has yet to be
proven by experiment.
e. a synthesis of a collection of data that
includes well-tested guesses.
A theory is
a.
an educated guess that has yet to be
proven by experiment.
b.
a synthesis of a large collection of
information including well-tested guesses.
c.
close agreement by competent observers
of observations of the same phenomena.
d.
a guess that has been tested over and
over again and always found to be true.
e.
a science story about atoms and
molecules.
A theory is
a.
an educated guess that has yet to be
proven by experiment.
b.
a synthesis of a large collection of
information including well-tested guesses.
c.
close agreement by competent observers
of observations of the same phenomena.
d.
a guess that has been tested over and
over again and always found to be true.
e.
a science story about atoms and
molecules.
The difference between a hypothesis and a
theory is that a hypothesis is
a. never true whereas a theory is always
true.
b. true whereas a theory is not true.
c. an isolated fact whereas a theory is a
huge collections of facts.
d. never true whereas a theory is
sometimes true.
e. an educated guess whereas a theory
has been tested successfully many times in
many ways.
The difference between a hypothesis and a
theory is that a hypothesis is
a. never true whereas a theory is always
true.
b. true whereas a theory is not true.
c. an isolated fact whereas a theory is a
huge collections of facts.
d. never true whereas a theory is
sometimes true.
e. an educated guess whereas a theory
has been tested successfully many times
in many ways.
Which of these is a scientific
hypothesis?
a. Atoms are the smallest particles
of matter that exist.
b. Albert Einstein is the greatest
physicist of the twentieth century.
c. The universe is surrounded by a
second universe, which cannot be
seen.
Which of these is a scientific
hypothesis?
a. Atoms are the smallest
particles of matter that exist.
b. Albert Einstein is the greatest
physicist of the twentieth century.
c. The universe is surrounded by a
second universe, which cannot be
seen.
A scientific hypothesis may turn out
to be right or it may turn out to be
wrong. If it is a valid hypothesis,
there must be a test for proving that
it is
a. right.
b. wrong.
A scientific hypothesis may turn out
to be right or it may turn out to be
wrong. If it is a valid hypothesis,
there must be a test for proving that
it is
a. right.
b. wrong.
A 15-N force and a 45-N force act on an
object in opposite directions. What is the
net force on the object?
a.
b.
c.
d.
e.
15 N
30 N
45 N
60 N
none of the above
A 15-N force and a 45-N force act on an
object in opposite directions. What is the
net force on the object?
a.
b.
c.
d.
e.
15 N
30 N
45 N
60 N
none of the above
What is the maximum resultant possible
when adding a 2-N force to an 8-N
force?
a.
b.
c.
d.
e.
2N
6N
8N
10 N
16 N
What is the maximum resultant possible
when adding a 2-N force to an 8-N
force?
a.
b.
c.
d.
e.
2N
6N
8N
10 N
16 N
A 5-N force and a 30-N force act in the
same direction on an object. What is the
net force on the object?
a.
b.
c.
d.
e.
5N
25 N
30 N
35 N
none of the above
A 5-N force and a 30-N force act in the
same direction on an object. What is the
net force on the object?
a.
b.
c.
d.
e.
5N
25 N
30 N
35 N
none of the above
A girl whose weight is 500 N hangs from
the middle of a bar supported by two
vertical strands of rope. What is the
tension in each strand?
a.
b.
c.
d.
e.
0 N.
250 N.
500 N.
750 N.
1000 N.
A girl whose weight is 500 N hangs from
the middle of a bar supported by two
vertical strands of rope. What is the
tension in each strand?
a.
b.
c.
d.
e.
0 N.
250 N.
500 N.
750 N.
1000 N.
What is needed to describe a vector
quantity?
a.
b.
c.
d.
only magnitude
only direction
both magnitude and direction
neither magnitude nor direction
What is needed to describe a vector
quantity?
a.
b.
c.
d.
only magnitude
only direction
both magnitude and direction
neither magnitude nor direction
A scalar quantity has
a.
b.
c.
d.
only direction.
only magnitude.
both magnitude and direction.
neither magnitude nor direction.
A scalar quantity has
a.
b.
c.
d.
only direction.
only magnitude.
both magnitude and direction.
neither magnitude nor direction.
According to the graph, which object took
the longest to fall?
A. Book
B. Paper C. Shoe D. Tissue
According to the graph, which object took
the longest to fall?
A. Book
B. Paper C. Shoe D. Tissue
Suppose a painter weight 600 N
stands in the middle of a board
suspended by two vertical ropes with
each scale reading 400 N. What is
the weight of the board?
A. 200 N
B. 300 N
C. 100 N
D. 150 N
E. the board is weightless.
Suppose a painter weight 600 N
stands in the middle of a board
suspended by two vertical ropes with
each scale reading 400 N. What is
the weight of the board?
A. 200 N
B. 300 N
C. 100 N
D. 150 N
E. the board is weightless.
A possible hypothesis based on the
information on this table is _______.
A. average life span is proportional to heart rate
B. farm animals live longer than pets
C. larger animals have faster heart rates
D. heart rate is not related to lifespan
A possible hypothesis based on the
information on this table is _______.
A. average life span is proportional to heart rate
B. farm animals live longer than pets
C. larger animals have faster heart rates
D. heart rate is not related to lifespan