Font size
WorksheetsQ1 BENCHMARK
Total questions: 40
Worksheet time: 20mins
A student conducts an investigation to observe forces caused by electric fields. 1. Hang a balloon by a string. 2. Rub the balloon with a wool cloth. Which next step should be taken by the student to observe an electric field?
Move a fan near the balloon on the string, then observe if the balloon on the string moves.
Touch a magnet to the balloon on the string, then observe if the balloon on the string moves.
Move a second wool-rubbed balloon near the balloon on the string, then observe if the balloon on the string moves.
Touch a plastic rod to the balloon on the string, then observe if the balloon on the string moves.
The requirement for the transmission of information over long distances has led to the advancement in communication technologies such as cell phones. The information can be easily transmitted through cell phones’ networks without extensive loss. Which statement identifies how information is transmitted in the networks?
Information is transmitted by transforming light signals into sound signals that get transmitted as radio waves.
Information is transmitted by transforming light signals into analog signals that get transmitted as sound waves.
Information is transmitted by transforming digital signals into light signals that get transmitted as sound waves.
Information is transmitted by transforming sound signals into digital signals that get transmitted as radio waves.
A person kicks a ball. Which force diagram shows a kick that will cause the ball to have the greatest acceleration?
(8 N to the right)
(4 N to the right)
(8 N to the left)
(4 N to the left)
The diagram shows a lab setup of a cart tied to a hook with string. A student attaches weights of different masses to the hook and observes the acceleration of the cart. Which graph correctly summarizes the expected results from the experiment?
Graph A: Acceleration increases linearly with mass of weights
Graph B: Acceleration decreases linearly with mass of weights
Graph C: Acceleration increases then decreases with mass of weights
Graph D: Acceleration decreases non-linearly with mass of weights
Which arrangement of a magnetic toy car and a magnet shows the largest force between the objects?
A. [Diagram A]
B. [Diagram B]
C. [Diagram C]
D. [Diagram D]
The wireless technology, Wi-Fi, uses high-frequency radio waves to transmit information from one place to another over a limited range. Why are high-frequency radio waves used in Wi-Fi?
High-frequency waves travel faster than low-frequency radio waves.
High-frequency waves transmit more information than low-frequency radio waves.
High-frequency waves use more energy than low-frequency radio waves.
High-frequency waves travel longer distances than low-frequency radio waves.
Which explanation about visible light laser classes is correct?
Because Class 1 lasers can be red or blue, they can transfer the pigments of red and blue onto a page for printing.
Because Class 2 lasers can be used as a toy for a cat, they do not carry enough energy to affect the matter on which they interact.
Class 3R and Class 3B lasers transmit with different wavelengths of light, which is why they have different effects on the skin and eyes.
Class 4 lasers have the largest intensity, so they carry the most energy in their waves and have the greatest effect on matter when they interact.
A student is holding three metal paper clips. The student lets go of the paper clips, and they fall onto a table. Then the student holds a magnet over the paper clips, and they rise up onto the magnet.
The noncontact force of gravity pulls the paper clips onto the table, and the noncontact force of a magnetic field pulls up the paper clips onto the magnet.
The contact force of gravity pulls the paper clips onto the table, and the noncontact force of a magnetic field pulls up the paper clips onto the magnet.
The noncontact force of gravity pulls the paper clips onto the table, and the contact force of a magnetic field pulls up the paper clips onto the magnet.
The contact force of gravity pulls the paper clips onto the table, and the contact force of a magnetic field pulls up the paper clips onto the magnet.
A box placed on a table exerts a force of 30 N on the table. Which statement describes the force that prevents the box from falling off the table?
The table exerts an upward force of 60 N on the box.
The table exerts an upward force of 30 N on the box.
Earth exerts a downward force of 30 N on the box.
Earth exerts a downward force of 60 N on the box.
A person working at a grocery store has a cart full of items. The person pushes the cart around the store and places the items on the shelves. Which graph represents how the action and reaction forces between the person and the cart change as the items are removed?
Graph A
Graph B
Graph C
Graph D
What makes radio waves ideal for communication?
Radio waves are never absorbed by objects.
Radio waves can easily penetrate through materials but do not require a material to travel.
Radio waves are not electromagnetic waves, which keeps animals that are exposed to them safe.
Radio waves always travel in straight lines away from their source.
A student stretches out a spring and moves it up and down to form a wave. The student repeats the same activity three more times using different amounts of force. Which wave is made using the most force?
A
B
C
D
The use of fiber optic cable in communication systems has enabled faster data transmission over much greater distances. Fiber optic cable can transmit large amounts of information over long distances with less loss of signal than other types of cable. How is information most likely transferred through the cable?
Information is converted into waves and transferred continuously, forming analog signals through the fiber optic cable.
Information is converted into binary and transferred as pulses of light, forming analog signals through the fiber optic cable.
Information is converted into waves and transferred continuously, forming digital signals through the fiber optic cable.
Information is converted into binary and transferred as pulses of light, forming digital signals through the fiber optic cable.
Which three scenarios correctly demonstrate an action force and its reaction force?
A. A child trips and falls on the ground, and the child exerts more force on the ground than the ground exerts on the child.
B. A ball is thrown at a wall and bounces back with the same amount of force.
C. A skater pushes off the ice and moves in the opposite direction of the push.
D. A person in a car pushes on the brake pedal gently, which applies a larger force on the car, causing the car to slow down.
E. An athlete jumps up in the air with a force equal to the force used against the ground.
The image shows a position-time graph of four objects (P, Q, R, and S). Which statement correctly compares two objects?
A. Objects P and Q move toward the starting point.
B. Object Q is moving slower than object S.
C. Object P is moving, and object R is stationary.
D. Objects S and R both move at the same speed.
Two students plan an experiment to test how forces act on a 5 kg container. The students list the steps for their experiment. 1. One student gives the container a push in one direction. 2. Record the distance the container moves across the floor from the push. 3. Two students give the container a push at the same time in one direction. 4. Record the distance the container moves across the floor from the combined push. 5. Compare the distance the container moves each time. Which statement correctly identifies and describes the variables in the experiment?
A. The number of students giving the container a push is the dependent variable, and the force they exert on the container is the independent variable.
B. The distance the container moves is the dependent variable, and the number of students giving the container a push is the independent variable.
C. The force exerted on the container is the dependent variable, and the distance the container moves is the independent variable.
D. The number of students giving the container a push is the dependent variable, and the distance the container moves is the independent variable.
How does the type of material influence if the chalk breaks or does not break?
The foam and felt mats decrease the force of the chalk on the ground, so they also decrease the force of the ground on the chalk.
The wood and foam mats increase the force of the chalk on the ground, so they also increase the force of the ground on the chalk.
The cork and wood mats increase the force of the chalk on the ground, so they also decrease the force of the ground on the chalk.
The cork and felt mats decrease the force of the chalk on the ground, so they also increase the force of the ground on the chalk.
Which explains the data in the table?
A. As the frequency of a wave increases, both the wavelength and the energy carried by the wave increase.
B. As the frequency of a wave increases, both the wavelength and the energy carried by the wave decrease.
C. As the frequency of a wave increases, the wavelength decreases, and the energy carried by the wave increases.
D. As the frequency of a wave increases, the wavelength increases, and the energy carried by the wave decreases.
Use the graph to answer questions 19 and 20. The graph shows the positions of four athletes during a 6-minute race. Athlete 2 and athlete 4 have the same mass. Which statement compares the two athletes performance during the race?
A. Athlete 2 moves a farther distance than athlete 4 because athlete 2 exerts more force by the end of the race.
B. Athlete 4 moves continuously during the entire race unlike athlete 2 because athlete 4 has a greater average acceleration.
C. Athlete 2 moves at an equal rate during the last four minutes of the race unlike athlete 4 because athlete 2 has a higher average acceleration.
D. Athlete 4 moves a farther distance than athlete 2 during the first minute of the race because athlete 4 exerts more force by the end of the race.
In which time intervals does athlete 3 have a greater velocity than athlete 1?
minute 0 to minute 1 and minute 2 to minute 3
minute 0 to minute 1 and minute 5 to minute 6
minute 1 to minute 2 and minute 2 to minute 3
minute 1 to minute 2 and minute 4 to minute 5
A group of students conduct an experiment, where they build a tower using drinking straws and add metal weights to the tower until the tower breaks. The students need to explain why the metal weights cause the tower to break. Which statement best describes the force that causes the metal weights to break the tower?
The force is gravity and is a noncontact force between the weights and Earth.
The force is gravity and is a contact force between the weights and the tower.
The force is magnetic and is a noncontact force between the weights and Earth.
The force is magnetic and is a contact force between the weights and the tower.
An oscilloscope displays the waveforms of electronic signals as a graph. The diagram shows an oscilloscope graph of four sound waves, P-S. Which sound wave has the highest frequency?
wave P
wave Q
wave R
wave S
Students 1 and 2 perform two activities with a cart. In the first activity, Student 1 pushes the cart with 20 N toward Student 2, who does not apply any force. In the second activity, Student 1 pushes the cart with 20 N toward Student 2, and Student 2 pushes back with 30 N. Which statement compares the movement of the cart in the two activities?
The cart moves toward Student 2 in both activities, but it moves faster in the second activity.
The cart moves toward Student 1 in the first activity and toward Student 2 in the second activity, but it moves faster in the second activity.
The cart moves toward Student 2 in the first activity and toward Student 1 in the second activity, but it moves faster in the first activity.
The cart moves toward Student 1 in both activities, but it moves faster in the first activity.
Information is transmitted digitally over long distances. Which diagram shows how information carried by waves is transferred to binary?
[Diagram A]
[Diagram B]
[Diagram C]
[Diagram D]
A truck is driving down the road and comes to a stop at an intersection. A student collects data on the truck’s speed at positions 1-5. The force arrows on the truck are labeled Y and Z. The data table and diagrams are shown. How should the student model the forces on the truck from positions 1-5 to represent the truck’s movement?
What is the direction of the reaction force on the wall?
upward
downward
toward the person
away from the person
Which statement correctly compares the forces from two different throws?
The ball was thrown from Location C with more force than from Location D because it traveled a shorter
distance.
The ball was thrown from Location B with more force than from Location A because it traveled at a faster
speed.
The ball was thrown from Location D with less force than from Location A because it traveled a farther
distance.
The ball was thrown from Location C with less force than from Location A because it traveled at a faster
speed.
Which table shows how the signals will likely look after being copied many times?
How does the electromagnet deposit the car body after moving it to another location?
The electricity is turned off, and the magnetic force pushes the car body toward the ground.
The electricity is turned off, and the magnetic force loses strength, resulting in the noncontact force of
gravity pulling the car body toward the ground.
The electricity is turned on, and the magnetic force pushes the car body toward the ground.
The electricity is turned on, and the magnetic force is added to the noncontact force of gravity, pulling
the car body toward the ground.
In which two trips does the wheelbarrow contain the most dirt?
Trip 1
Trip 2
Trip 3
Trip 4
Trip 5
Which statement describes how the force of the weight on the spring scales changes during the demonstration?
The weight exerts a greater force on the spring scale than the spring scale exerts on the weight until the
weight begins to move.
The weight exerts an equal force on the spring scale as the spring scale exerts on the weight until the
weight begins to move.
The weight exerts a smaller force on the spring scale than the spring scale exerts on the weight at all
times during the demonstration.
The weight exerts an equal force on the spring scale as the spring scale exerts on the weight at all times
during the demonstration.
The student claims that a digital television is better than an analog television. Which statement
supports the claim?
Analog signals have superior quality over digital signals in all weather conditions.
Analog signals are more easily converted than digital signals at the receiver’s end.
Analog signals are less reliable than digital signals during transmission.
Analog signals have less noise distortion than digital signals during transmission.
Which characterizes a difference between the two waves?
Wave A has more energy.
Wave A travels with a faster speed.
Wave B has a higher frequency.
Wave B travels through more types of matter.
What conclusion can be drawn from the data in the table?
Sound travels faster in air than it does in liquids and solids.
Sound travels faster in solids than it does in air and liquids.
Sound travels faster in liquids than it does in air and solids.
Sound travels the same speed in solids, liquids, and air.
How does the density of a material affect the speed of sound?
As density decreases, the speed of sound increases because sound moves by vibrating particles.
As density increases, the speed of sound decreases because sound moves independently of particles.
As density decreases, the speed of sound decreases because sound moves independently of particles.
As density increases, the speed of sound increases because sound moves by vibrating particles.
What is the student testing with the model?
if the size of the magnet affects the current generated
if the thickness of the copper wire affects the current generated
if the speed of rotating the wire loop affects the current generated
if the speed of rotating the wire loop affects the current generated
Which statement describes why radio waves are used instead of higher frequency waves to carry information
in cellular communication?
They can carry the most information.
They can travel over longer distances.
They have little variation.
They increase the temperature of devices.
Which statement accurately predicts and describes the strength of Electromagnet 4?
The electromagnet will have a weaker magnetic field, so it will be able to pick up 9 paper clips.
The electromagnet will have a weaker magnetic field, so it will be able to pick up 11 paper clips.
The electromagnet will have a stronger magnetic field, so it will be able to pick up 15 paper clips.
The electromagnet will have a stronger magnetic field, so it will be able to pick up 6 paper clips.
Which two changes would have the most significant impact on the experimental results shown in
Graph 1?
decreasing the amount of time between testing each motor
increasing the distance between the magnets and the coils of wire
testing each motor at the same time of day
using a different remote-controlled car
using magnets with a stronger magnetic field
Which combination of factors will produce the fastest remote-controlled car? (motor)
2 magnets and 4 batteries
8 magnets and 6 batteries
4 magnets and 2 batteries
12 magnets and 8 batteries
