Which of the following statements best describes the motion of the object?

The object moved at a constant speed.

The object accelerated at a constant rate.

The average speed of the object was less than 1 m/s.

The instantaneous speed of the object was greater than 1 m/s.

When you interpret a distance-time graph, the speed of the object is determined by _____.

finding the slope of the graph line

looking at the values on the x -axis

looking at the values on the y -axis

finding the length of the graph line

Which best explains the graph

The speed of the object increases at a steady rate over time

The speed is zero and does not change

The speed of the object decreases at a steady rate over time

The speed of the object increases and decreases over a given amount of time.

Which of the following statements best describes how the speed and velocity of an object differ?

Velocity specifies speed and direction, while speed has no specific direction.

Velocity specifies speed, while speed includes a specific direction.

Velocity specifies a change in speed over time, while speed specifies a change in distance over time.

Velocity specifies a change in distance over time, while speed specifies a change in velocity over time.

Which of the following is NOT an example of acceleration?

A car traveling at a steady speed of 20 km/hr

A runner sprinting at a rate of 10 m/s and then slowing down at the finish line

The dot-car traveling down a ramp

which description best fits the motion shown on the graph?

A roller coaster traveling up and down the first hill

An airplane taking off and reaching a constant cruising speed

A car traveling at a constant speed and stopping to refuel

A roller coaster traveling down a hill and climbing the next hill

The table below shows the results of a student investigation. Which of the following statements best explains the data collected by the student shown in the table?

The speed of the toy car increases due to unbalanced forces.

The speed of the toy car increases due to forces greater than gravity.

The speed of the toy car decreases due to balanced forces.

The speed of the toy car decreases due to friction.

If a car is moving on a road at 70 km/hr going due north and then changes direction and starts traveling northeast staying at 70 km/hr, what happens to its speed and velocity?

The velocity of the car changes, but the speed stays the same.

The speed of the car changes, but the velocity stays the same.

Both the speed and velocity of the car change.

Neither the speed nor the velocity of the car changes.

Which of the following would be found in the part labeled X in the above chart?

Shows the direction in which an object is traveling

Shows the slowing down of an object in motion

Shows the speeding up of an object in motion

Shows a change in the direction of an object in motion

Which of the following would be found in the part labeled Y in the above chart?

Shows a change in the speed of an object

Shows the direction in which an object is traveling

Shows how fast an object is traveling

Shows the time it takes an object to travel a distance

An investigation was conducted to determine how the motion of an object is affected by unbalanced forces. The data collected is listed in the table below. Which of the following remained the same throughout the investigation?

The velocity, speed, and acceleration all remained the same.

Which of the following statements best describes how the speed and velocity of an object differ?

Velocity specifies speed and direction, while speed has no specific direction.

Velocity specifies speed, while speed includes a specific direction.

Velocity specifies a change in speed over time, while speed specifies a change in distance over time.

Velocity specifies a change in distance over time, while speed specifies a change in velocity over time.

A student was traveling to see his grandmother who lives 15 miles north of his home. He started from rest and maintained a pace of 4 m/s before stopping at his grandmother’s house for lunch. Which of the following best describes the speed, velocity, and acceleration of the student’s walk?

He traveled at a speed of 4 m/s with a velocity of 4m/s north, and his acceleration changed when stopping for lunch.

He traveled at a speed of 4 m/s north with a velocity of 4m/s north, and his acceleration increased before stopping for lunch.

He traveled at a speed of 4 m/s with a velocity of 4m/s, and his acceleration increased before stopping for lunch.

He traveled at a speed of 4 m/s with a velocity of 4m/s north, and his acceleration did not change when stopping for lunch.

A student rides the Ferris wheel when visiting an amusement park. During the ride, she moves at a constant speed of 3 m/s. Which of the following statements best describes the motion of the student on the Ferris wheel?

The velocity is changing because the direction is changing.

The velocity is not changing because the speed is constant.

The velocity is increasing because the direction is changing.

The velocity is decreasing because the speed is constant.

Speed Velocity Acceleration Review

Authored by Charles Martinez

Science

8th Grade

NGSS covered

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34 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The total distance traveled divided by the total time taken to travel the distance is___?

Average speed

Mass

Velocity

Acceleration

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When you graph the motion of an object, you put _ on the horizontal axis and _ on the vertical axis.

Time, Distance

Distance,Time

Speed, Time

Time, Speed

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When a car slows down at a traffic light, it is _____

Accelerating

decreasing its displacement

traveling at constant Velocity

changing direction

To discribe velocity you need to know _____?

speed & direction

speed & time

direction & acceleration

speed & acceleration

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Acceleration is a change in ____

speed

velocity

direction

position

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following best describes how constant velocity is shown in a speed time graph?

line curving down

a straight horizontal line

a line curving up

a straight diagonal line

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

which describes how velocity changes with time?

acceleration

average speed

gravity

inertia

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Speed Velocity Acceleration Review

The total distance traveled divided by the total time taken to travel the distance is___?

When you graph the motion of an object, you put _ on the horizontal axis and _ on the vertical axis.

When a car slows down at a traffic light, it is _____

To discribe velocity you need to know _____?

Acceleration is a change in ____

Which of the following best describes how constant velocity is shown in a speed time graph?

which describes how velocity changes with time?

During which time interval was the object moving fastest?

According to the graph, about how long did the object take to move 40m?

11. You travel 200 km in 2 h. Your ____ speed is 100 km/h.

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Speed Velocity Acceleration Review

The total distance traveled divided by the total time taken to travel the distance is___?

When you graph the motion of an object, you put _____ on the horizontal axis and _____ on the vertical axis.

When a car slows down at a traffic light, it is _____

To discribe velocity you need to know _____?

Acceleration is a change in ____

Which of the following best describes how constant velocity is shown in a speed time graph?

which describes how velocity changes with time?

During which time interval was the object moving fastest?​

According to the graph, about how long did the object take to move 40m?

11. You travel 200 km in 2 h. Your ____ speed is 100 km/h.

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When you graph the motion of an object, you put _ on the horizontal axis and _ on the vertical axis.

During which time interval was the object moving fastest?