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Worksheets4.6 Common Assessment Review
Total questions: 38
Worksheet time: 20mins
Name
Class
Date
1.
Kaylee is on a roller coaster. When does the car that she is riding in have the most potential energy?
a)
at the top of the highest hill
b)
in the middle of the highest hill
c)
at the bottom of the highest hill
d)
on the lowest, flattest part of the roller coaster
2.
Which book has the least potential energy?
a)
P
b)
Q
c)
R
d)
S
3.
When the slingshot is held in position as in the diagram, what kind of energy is present?
a)
Kinetic Energy
b)
Potential Energy
c)
Electrical Energy
d)
Electromagnetic Energy
4.
When a ball is thrown into the air, it follows a curved path.
At which point does the ball have the greatest amount of gravitational potential energy?
At which point does the ball have the greatest amount of gravitational potential energy?
a)
W
b)
X
c)
Y
d)
Z
5.
An elevator traveled 15 floors (150 ft) at a speed of 4.5 m/s. What additional information is needed to determine the velocity of the elevator?
a)
the direction the elevator traveled
b)
how long the elevator was stationary
c)
how many times the elevator stopped
d)
the total mass of the elevator plus anything in it
6.
The graph represents the time and distance traveled by four different toy cars.
Which car had the greatest change in position?
Which car had the greatest change in position?
a)
A
b)
B
c)
C
d)
D
7.
A box of books is on the floor. The following picture shows a push and a pull acting on the box.
What is the net force toward the right on the box?
What is the net force toward the right on the box?
a)
0 N
b)
50 N
c)
100 N
d)
2,500 N
8.
What happens if the forces on an object are unbalanced?
a)
Its motion will not change
b)
Its motion will change.
c)
The object will immediately stop moving.
d)
The forces will be zero
9.
The graph shows the distance a car traveled in 5 seconds while moving on a freeway.
What was the car's average speed?
What was the car's average speed?
a)
0 m/s
b)
14 m/s
c)
28 m/s
d)
30 m/s
10.
Joanna's family drove 360 km on a trip. The graph below represents their motion.
What was the average speed during the last 3 h of the trip? (Hint: Step 1. First determine how far Joanna's family traveled during the last 3 hours of the trip. Step 2. Subtract this number from the total number of miles traveled. Step 3. Divide the number of miles by the amount of time.)
What was the average speed during the last 3 h of the trip? (Hint: Step 1. First determine how far Joanna's family traveled during the last 3 hours of the trip. Step 2. Subtract this number from the total number of miles traveled. Step 3. Divide the number of miles by the amount of time.)
a)
45 km/h
b)
60 km/h
c)
120 km/h
d)
180 km/h
11.
The graph represents the time and distance traveled by four different toy cars.
What was the average speed of car D?
What was the average speed of car D?
a)
0.3 ft/s
b)
2 ft/s
c)
3 ft/s
d)
12 ft/s
12.
An airplane leaves New York to fly to Los Angeles. It travels 3,850 km in 5.5 hours. What is the average speed of the airplane?
a)
700 km
b)
700 hours
c)
700 km/hour
d)
7000 hours/km
13.
Katrina rode her bicycle to the library. The following graph shows part of Katrina's ride after she started.
What was Katrina's acceleration during the time represented on the graph?
What was Katrina's acceleration during the time represented on the graph?
a)
The acceleration was zero.
b)
The acceleration was 10 m/s.
c)
The acceleration was 10 m/s2.
d)
The acceleration was 3.3 m/s2
14.
Elizabeth is a wildlife biologist. She traveled by boat in the Everglades to observe alligators. The following graphs show the motion of her boat at several times during the trip.
Which graph shows her boat traveling when it is not accelerating?
Which graph shows her boat traveling when it is not accelerating?
a)
Graph A
b)
Graph B
c)
Graph C
d)
Graph D
15.
The graph below shows the distance a student traveled on his bicycle trip and the amount of time it took him to travel that distance.
During which 5-minute interval did the student achieve the greatest average speed?
During which 5-minute interval did the student achieve the greatest average speed?
a)
0-5
b)
5-10
c)
10-15
d)
15-20
16.
The graph above shows the data collected by a student as she watched a squirrel running on the ground. Which of the following best describes the motion of the squirrel between 5 s and 8 s?
a)
The squirrel's speed increased
b)
The squirrel's speed decreased
c)
The squirrel's speed did not change
d)
The squirrel moved backward
17.
A worker moves a heavy load into a house with the aid of an inclined plane. If the plane has a length of 6.2 meters and a height of 1.7 meters, what is its ideal mechanical advantage?
a)
3.65
b)
7.9
c)
10.54
d)
0.27
18.
As you pull down on a pulley, the load attached to the pulley is lifted. How has the pulley changed the way work is done?
a)
It made the load lighter.
b)
It made the load heavier.
c)
It lifted the load more quickly.
d)
It changed the direction of force.
19.
A ramp is an example of which type of simple machine?
a)
Lever
b)
Wheel and Axle
c)
Inclined Plane
d)
Block and Tackle Pulley
20.
Movers use a ramp to load boxes and heavy furniture into the moving truck. Why is the ramp useful for this type of work?
a)
The ramp decreases the force needed but increases the distance.
b)
The ramp increases the force needed and decreases the distance.
c)
The ramp reduces the pull of gravity on the heaviest objects.
d)
The ramp changes the amount of work done by the movers.
21.
What does kinetic energy depend on?
a)
Mass and Volume
b)
Velocity and Weight
c)
Weight and Height
d)
Velocity and Mass
22.
Sam studied kinetic and potential energy by observing apples on a tree during a field investigation. What type of energy do these apples have?
a)
Kinetic Energy
b)
Mechanical Energy
c)
Gravitational Potential Energy
d)
Sound Energy
23.
Which of the following always causes change in speed, direction, or both?
a)
balanced forces
b)
unbalanced forces
c)
either balanced or unbalanced forces
d)
any combination of forces
24.
Which of the following statements correctly describes the force that propels the space shuttle upward during takeoff?
a)
The gases push the shuttle upward with a force equal to the shuttle pushing the gases downward.
b)
The gases push downward with a force equal to the shuttle pushing the gases downward.
c)
The shuttle pushes upward with more force than the gases push downward.
d)
The shuttle pushes downward with more force than the gases push upward.
25.
What happens if the forces on an object are unbalanced?
a)
Its motion will not change
b)
Its motion will change.
c)
The object will immediately stop moving.
d)
The forces will be zero.
26.
Why is it useful to find the average speed of an object?
a)
Most things move with the same speed at all times.
b)
The speed of most things decreases at a constant rate.
c)
Most things do not move with the same speed at all times
d)
The speed of most things increases at a constant rate.
27.
How would you calculate your average speed if you walked from your house to your friend's house two blocks away?
a)
Total distance divided by total time would equal my average speed.
b)
Total time divided by total distance would equal my average speed.
c)
Total distance times total time would equal my average speed.
d)
Total distance plus two divided by total time would equal my average speed.
28.
An airplane traveling from San Francisco to Chicago flies 3,000 km in 3.5 hours. What is the airplane's average speed?
a)
420 km/h
b)
860 km/h
c)
500 km/h
d)
600 km/h
29.
A meteorologist describes a tropical storm as traveling northwest at 50 mi/h. Which attribute of the storm's motion has the meteorologist described?
a)
Force
b)
Acceleration
c)
Velocity
d)
Displacement
30.
Which of the following statements about machines is true?
a)
Machines perform work with 100% mechanical efficiency
b)
Machines change the size or direction of a force.
c)
Machines enable a worker to do a job that was previously impossible.
d)
Machines perform input and output work
31.
A planet's surface gravity influences the thickness of the atmosphere that surrounds the planet. The table below shows the surface gravities of the terrestrial planets as a percentage of the surface gravity of Earth.
Based on their surface gravities, which terrestrial planets would have the thickest atmospheres?
Based on their surface gravities, which terrestrial planets would have the thickest atmospheres?
a)
Mars and Venus
b)
Earth and Venus
c)
Mars and Mercury
d)
Earth and Mercury
32.
Venus and Earth have similar surface gravities. Mercury and Mars have almost the same surface gravity, even though Mercury is much smaller. Density is related to the force of gravity. The figure contains information about the densities of the four planets.
Which of these statements explains the similar surface gravities on Mars and Mercury? (Hint: Step 1. Compare the densities of Mercury and Mars. Step 2. Relate the densities to the surface gravity of the planets.)
Which of these statements explains the similar surface gravities on Mars and Mercury? (Hint: Step 1. Compare the densities of Mercury and Mars. Step 2. Relate the densities to the surface gravity of the planets.)
a)
Mars is denser that Mercury
b)
Mars is smaller than Mercury
c)
Mars is less dense than Mercury
d)
Mars is less rocky than Mercury
33.
Of the following, which is the largest body?
a)
The Moon
b)
Jupiter
c)
Mercury
d)
Halley's Comet
34.
Of these planets, which is closest to the sun?
a)
Venus
b)
Mars
c)
Pluto
d)
Jupiter
35.
What type of telescope uses lenses to gather and focus light from distant objects?
a)
reflecting telescope
b)
gamma ray telescope
c)
radio telescope
d)
refracting telescope
36.
What is the value of using a space probe for exploration?
a)
It reduces expense by making shorter trips with a small crew.
b)
It increases the ability of a small crew to gather information.
c)
It increases the ability to take longer trips and gather information with no crew.
d)
It reduces the number of exploratory trips that are necessary.
37.
Which of the following changes would increase the gravitational attraction between two objects?
a)
increase the distance between them
b)
increase their speed relative to one another
c)
decrease the distance between them
d)
decrease the mass of the smaller object
38.
Both the Viking and Pathfinder missions allowed scientists to gather information about Mars. These space probes sent detailed images back to Earth that helped scientists make new discoveries about the red planet.
What was the most important discovery the pictures revealed?
What was the most important discovery the pictures revealed?
a)
Massive flood waters once flowed across Mars.
b)
Life existed on Mars in the recent past.
c)
Mars was once colder and drier than it is now.
d)
Earth and Mars have always been very different.
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