QCE4 Review
Date:
Name:
1.
After a baseball is thrown up into the air, it will
eventually fall back down to Earth. Which graph
best demonstrates the relationship between time
and distance from Earth as the baseball falls?
2.
A.
3.
4.
B.
Which of the following represents the velocity of
a moving object?
A.
40
B.
40 m north
C.
40 ms
D. 40 ms north
Which characteristic of motion could change
without changing the velocity of an object?
A.
the speed
B.
the position
C.
the direction
D. the acceleration
A student applied a constant force to a toy truck.
A graph of the truck's movement is shown below.
C.
Which of the following could best explain the
change in velocity at time X?
D.
A.
The truck's momentum became greater than
its inertia.
B.
The truck went from moving in a straight
path to moving in a curved path.
C.
The truck began traveling up a slightly sloped
surface.
D. The truck went from rolling on a rough
surface to rolling on a polished surface.
page 1
5.
An object moves away from a motion detector with
a constant speed. Which graph best represents the
motion of the object?
A.
B.
C.
D.
7.
Use the graphic below to answer the following
question.
Marisol is sitting in a bus that is passing by a
tra c light. Which statement correctly describes
Marisol's motion?
6.
Use the following graphs to answer the following
question(s).
Which graph best matches the motion of a car?
A.
A
B.
B
C.
C
D. D
A.
Marisol is moving relative to both the tra c
light and the bus driver.
B.
Marisol is not moving relative to either the
tra c light or the bus driver.
C.
Marisol is moving relative to the tra c light,
but she is not moving relative to the bus
driver.
D. Marisol is moving relative to the bus driver,
but she is not moving relative to the tra c
light.
8.
Use the graph below to answer the question.
A student drew a graph that shows the motion of
a car as it traveled down a street. When was the
car stopped at a stoplight?
A.
between 1 and 3 minutes
B.
between 3 and 5 minutes
C.
between 5 and 8 minutes
D. between 8 and 10 minutes
page 2
QCE4 Review
9.
The diagram below shows information about the
motion of a toy car between two points on a track.
12.
Motion of Toy Car
A.
Which of the following can be determined using
the information shown in the diagram?
The force on both balls was the same;
therefore each ball pushes back with the same
amount of force.
B.
The force on both balls was the same;
however each ball pushes back with a di erent
amount of force.
A.
the car's position after the rst two seconds
C.
B.
the car's mass as it moves away from the start
The solid ball pushes back with a greater
force than the hollow ball, because the solid
ball has a greater mass.
C.
the car's average speed between the two points
D. the car's total acceleration within the
meter
10.
A student pushes a hollow ball with a small
amount of force causing it to roll quickly across
the room. The student then pushes a solid ball
with the same amount of force. Which statement
demonstrates an understanding of force and its
e ects on an object?
D. The hollow ball pushes back with a greater
force than the solid ball, because the solid
ball moved faster and further.
rst
13.
Which of the following is certain to change as a
ball accelerates?
A.
mass of the ball
B.
inertia of the ball
C.
velocity of the ball
The bodies of many cars are designed to compress
or crumple during an accident.
D. force acting on the ball occasionally
11.
Two people are trying to push a large box across a
oor. Each person pushes with an equal amount
of force.
Why are cars built with a crumple zone?
The total amount of force they exert on the box is
500 newtons. Despite their e orts, the box will
not move. What is the amount of force exerted by
the box on each person?
A.
0 newtons
B.
C.
500 newtons
D. 1,500 newtons
A.
The crumple zone is made from cheaper
materials, so the car costs less to make.
B.
The crumple zone is made from cheaper
materials, so it costs less to repair after an
accident.
C.
The crumple zone absorbs the force of an
impact, reducing the chance that passengers
get injured.
D. The crumple zone transfers the force of an
impact from the car to the object it hits,
reducing the chance that passengers will get
injured.
250 newtons
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QCE4 Review
14.
A spring scale is pulled downward and readings
are recorded.
17.
Two students are studying what makes ice melt
fastest. They want to conduct an investigation.
During which of these steps in their investigation
will they measure the ice?
A.
showing some graphs
B.
making a conclusion
C.
developing a hypothesis
D. collecting some data
If the spring is pulled 3.5 cm, the spring scale
should read
A.
15.
12 N.
B.
13 N.
C.
14 N.
18.
D. 15 N.
A ball is dropped from the top of a tall building.
As the ball falls, the upward force of air resistance
becomes equal to the downward pull of gravity.
When these two forces become equal in magnitude,
the ball will
A.
atten due to the forces.
B.
fall at a constant speed.
C.
continue to speed up.
19.
A person catches and measures a large sh called
a halibut. She thinks that this halibut is above
average in size. To help support her thinking, it
would be most helpful to measure
A.
many types of sh.
B.
many sh of the same type.
C.
sh from the same location.
D.
sh during a di erent season.
A.
repeating the experiment three times
B.
experimenting with multiple substances
C.
writing out the procedure after the experiment
D. using three types of thermometers in the
experiment
D. slow to a stop.
16.
A scientist is performing an experiment to
determine the melting point of a new substance.
Which action could increase the likelihood of
obtaining accurate results?
Why do scientists perform multiple trials of the
same experiment?
A.
to include additional variables in the
experiment
B.
to complete the steps of the experiment in
less time
C.
to nd a less expensive way to conduct the
experiment
D. to increase the likelihood of accurate
experiment results
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QCE4 Review
20.
A student observed the circuits below and noticed
the light bulbs in Circuit 1 were brighter than the
light bulbs in Circuit 2.
22.
On Monday, students predicted how the
temperatures would compare at di erent times of
the day. The graph below shows the measurements
the students took to test the predictions.
Which prediction is supported by the results in the
graph?
Based on this observation, which of the following
is the best prediction?
A.
The temperature will be higher at 12:00 P.M.
than at 2:00 P.M.
A.
If more bulbs are added to a circuit, then the
bulbs will become brighter.
B.
The temperature will be higher at 6:00 P.M.
than at 10:00 A.M.
B.
If more bulbs are added to a circuit, then the
bulbs will become dimmer.
C.
The temperature will be higher at 12:00 P.M.
than at 6:00 P.M.
C.
If longer wires are used in a circuit, then the
bulbs will become brighter.
D. The temperature will be higher at 10:00 A.M.
than at 2:00 P.M.
D. It longer wires are used in a circuit, then the
bulbs will become dimmer.
21.
Which statement is an observation?
A.
The plant has owers.
B.
The plant is very pretty.
C.
The plant will grow berries.
D. The plant might be poisonous.
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QCE4 Review
23.
A scientist wanted to see if the amount of garbage
that Americans threw away changed over time. He
collected information and then showed his results
in the graph below.
25.
After selecting the three trials to compare, Linda
measured the time it took for the ball to travel
to the end of the ramp. She repeated each trial
10 times and recorded her data.
What is the main reason Linda collected
10 measurements for each of the three trials?
A.
to increase the reliability of her data
B.
to list all the results in a table or graph
C.
to change the experimental conditions
D. to check that the equipment is working
Based on this graph, what could the scientist say
about the amount of garbage that each person
threw away?
26.
A.
It increased over time.
A.
histogram
B.
B.
It decreased over time.
C.
double bar graph
D. stem and leaf plot
C.
It increased the most in 1980.
27.
D. It decreased the most in 1990.
24.
Which graphic representation would be the best
way for Linda to display data from the three trials
she tested?
The diagrams below show ve di erent tests Linda
carried out using steel balls of three di erent sizes
and masses. She used the same ramp for all trials.
Trials 1, 2, and 3
B.
C.
Trials 2, 3, and 4
D. Trials 2, 4, and 5
Maria wanted to measure the amount of time it
took for a ball to roll down a ramp. She had
never used a stopwatch before. Kevin gave her the
following directions, but they were in the wrong
order.
Step 1: Hold the stopwatch in one hand.
Step 2: Press the button once to start the
clock.
Step 3: Press the button twice to clear any
old times.
Step 4: Press the button to stop the clock.
Step 5: Let the watch run until it is time to
stop it.
Step 6: Record the amount of time.
Linda wants to test this idea: if the ramp is
placed higher, the ball will travel to the bottom of
the ramp faster. Which three trials should Linda
compare to test this idea?
A.
line graph
How should she arrange Kevin's steps so they are
in the correct order?
Trials 1, 3, and 5
page 6
A.
1, 5, 2, 3, 4, 6
B.
1, 2, 3, 5, 4, 6
C.
1, 3, 2, 4, 5, 6
D. 1, 3, 2, 5, 4, 6
QCE4 Review
28.
Mr. Jones set up a demonstration for his science
class using two beakers. Each beaker contained
50 ml of a clear liquid. The temperature of each
liquid was 25 C. Mr. Jones placed a cube into
each beaker at the same time. Each cube measured
2 cm on all sides and had a mass of 5 grams.
30.
The results of the demonstration are shown in the
gures below.
Which of the following questions is testable in a
scienti c investigation?
A.
Are dogs better pets than cats?
B.
Are dogs happy when they are walked?
C.
Are cats more active at night than during the
day?
D. Are cats easier to take care of than dogs?
31.
A student will measure and record the growth of
two owering plants every other day for 10 days.
What is the best question for students to investigate
that would help explain the results of this
demonstration?
A.
How long did it take for the cube in Beaker 2
to sink?
B.
Would a di erent sized beaker provide the
same results?
C.
Will the cube in Beaker 1 sink if more liquid
was added?
According to the diagram, which question is being
tested?
D. What caused one cube to oat and the other
cube to sink?
29.
A fertilizer company claims that their fertilizer
causes rose bushes to produce more owers. To
support this claim, they set up an investigation.
They added the recommended amount of fertilizer
to 100 rose bushes in a greenhouse, and then they
counted the number of owers that developed on
each plant. The number of owers on each rose
bush ranged from 28 to 36. The mean number of
owers on each plant was 33.
A.
Do owering plants grow better when watered
with salt water?
B.
How much fertilizer do owering plants need?
C.
Does fertilizer added to the soil lead to taller
owering plants?
D. How tall do owering plants grow?
32.
In order to advance to the level of a theory, a
hypothesis should be
A gardener was skeptical of the company's claim.
Which statement provides the best reason to be
skeptical?
A.
obviously accepted by most people.
B.
a fully functional experiment.
A.
The sample size was too small to be valid.
C.
in alignment with past theories.
B.
The investigation tested only one variable.
D. repeatedly con rmed by experimentation.
C.
The research was conducted without a control.
D. The investigation was conducted only on rose
plants.
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QCE4 Review
33.
The genetic material of an organism is composed
of
A.
lipids.
B.
proteins.
C.
deoxyribonucleic acids.
37.
Which statement about the genetic traits of humans
is true?
A.
Recessive forms of genes are always visible
in o spring.
B.
Visible traits are the same for each member
of a family.
C.
Dominant forms of genes are always inherited
from both parents.
38.
The o spring are identical to the parents
B.
The o spring are resistant to viruses.
C.
The o spring are born live, rather than from
eggs.
Which of the following is the primary advantage
of sexual reproduction when compared to asexual
reproduction?
A.
There is a greater number of o spring.
B.
There is more food available to o spring.
C.
There is greater genetic variety in o spring.
D. There is a longer development time for
o spring.
D. Visible traits depend on the dominant and
recessive forms of genes from each parent.
35.
A.
D. The o spring inherit a wider variety of
genetic information.
D. complex carbohydrates.
34.
What is one advantage of sexual reproduction?
The diagram below represents a cross between two
pea plants.
In pea plants, the allele for round seeds (R) is
dominant to the allele for oval seeds (r). In a cross
between the two plants above, what percentage of
the o spring will have round seeds?
A.
36.
100%
B.
75%
C.
50%
D. 25%
Based only on the sex chromosomes in typical
human egg and sperm cells at fertilization, the
probability of producing a female is
A.
25%.
B.
50%.
C.
75%.
D. 90%.
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QCE4 Review
39.
41.
Which bird foot is best for swimming?
The illustration below shows the morphological
change of two species.
A.
B.
C.
D.
40.
Which statement explains why species 1 and
species 2 are di erent?
Geologic activity on an island physically separates
a population of animals into two populations.
Many generations later, when the two populations
are no longer separated, they do not interbreed.
What was the result of natural selection during
this period of separation?
A.
a decrease in variation
B.
a decrease in diversi cation
C.
an increase in extinction
A.
An individual changed itself to suit the
environment.
B.
Natural selection can cause gradual speciation
changes.
C.
Interbreeding of species 2 results in no
genetic mutations.
D. Extinction of ancestor species occurs as a
result of interbreeding.
42.
D. an increase in speciation
How is natural selection in the evolution of long
necks in gira es best explained?
A.
Shorter-necked gira es were killed by
long-necked gira es.
B.
Gira e necks grew longer because of the bone
structure of the animals.
C.
Gira es with longer necks survived because
they were better suited to the environment.
D. Long-necked gira es mated only with other
long-necked gira es.
page 9
QCE4 Review
43.
Which of the following is a source of genetic
variation within a species?
A.
cloning
B.
C.
selective breeding
D. natural selection
46.
mutation
44. A population of termites initially consists of
darkly colored and brightly colored members.
After several generations, the termite population
consists almost entirely of darkly colored members
because the brightly colored termites are easier for
a predatory species of insectivores to locate. This
situation is an example of
A.
the evolution of a new species.
B.
natural selection.
C.
arti cial selection.
47.
higher mutation rates on one side.
B.
low genetic diversity in the initial population.
C.
the isolation of the two groups.
The organism is undergoing speciation.
B.
The organism is experiencing genetic drift.
C.
The structure was over utilized by the
organism.
The Venus ytrap plant lives in soil with few
nutrients. The plant absorbs nutrients by trapping
insects inside its leaves.
The ability of the Venus ytrap to trap insects is
an example of which of the following?
A single species of squirrel evolved over time into
two species, each on opposite sides of the Grand
Canyon. This change was most likely due to
A.
A.
D. The structure was not highly bene cial to the
organism.
D. adaptive radiation.
45.
Vestigial structures, such as hip bones in whales
and appendixes in humans, are those that have
little or no function for the organism. What is the
most likely reason for this loss of function over
time?
A.
Adaptation
B.
Parasitism
C.
Cooperation
D. Competition
D. di erences in reproductive rates.
page 10
QCE4 Review
48.
One piece of evidence that supports the modern theory of evolution is the presence of similar structures that serve
di erent functions in di erent organisms.
Human Arm
Bat Wing
Bird Wing
Insect Wing
Insect Leg
Human Leg
Lizard Claw
Bird Beak
Which pair of features shown are similar structures that are serving di erent functions?
49.
A.
Human arm and bat wing
B.
C.
Bird wing and insect wing
D. Lizard claw and bird beak
Some scientists use molecular evidence to study
evolution. One type of molecular evidence is
the amino acid sequence of particular proteins in
various species.
51.
Insect leg and human leg
The picture below shows a fossil.
Which of the following best describes what the
study of these sequences reveals about the species?
50.
A.
The more similar the sequences are, the faster
the species will coevolve.
B.
The more similar the sequences are, the more
closely related the species are.
What makes this fossil similar to a sh?
C.
The longer the sequences are, the earlier the
species evolved in geologic history.
A.
the body and ns
D. The longer the sequences are, the more
adapted the species are to their environments.
B.
the eyes and length
C.
the bones and size
A scientist is examining a fossilized insect that
may be an ancestor of modern dragon ies. Which
of the following should the scientist compare to
best determine how closely related the fossilized
insect is to modern dragon ies?
D. the color and mouth
A.
their diets
B.
their habitats
C.
their predators
D. their anatomies
page 11
QCE4 Review
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QCE4 Review
05/16/2014
1.
Answer:
B
21.
Answer:
A
2.
Answer:
D
22.
Answer:
B
3.
Answer:
B
23.
Answer:
A
4.
Answer:
C
24.
Answer:
D
5.
Answer:
B
25.
Answer:
A
6.
Answer:
A
26.
Answer:
B
7.
Answer:
C
27.
Answer:
D
8.
Answer:
C
28.
Answer:
D
9.
Answer:
C
29.
Answer:
C
10.
Answer:
C
30.
Answer:
C
11.
Answer:
B
31.
Answer:
C
12.
Answer:
A
32.
Answer:
D
13.
Answer:
C
33.
Answer:
C
14.
Answer:
C
34.
Answer:
D
15.
Answer:
B
35.
Answer:
B
16.
Answer:
B
36.
Answer:
B
17.
Answer:
D
37.
Answer:
D
18.
Answer:
A
38.
Answer:
C
19.
Answer:
D
39.
Answer:
A
20.
Answer:
B
40.
Answer:
D
Teacher's Key
41.
Answer:
B
42.
Answer:
C
43.
Answer:
B
44.
Answer:
B
45.
Answer:
C
46.
Answer:
D
47.
Answer:
A
48.
Answer:
A
49.
Answer:
B
50.
Answer:
D
51.
Answer:
A
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