Changes in Motion Practice

Blaze and his friends were playing football, and while running to catch the ball Blaze ran into a wall.

After running into a wall, Blaze fell backwards.

This is proof of which of Newton's Laws?

• Newton's First Law

• Newton's Second Law

• Newton's Third Law

Two students were playing on a swing set. Their friend was pushing them to get them swinging. The first student swung higher and faster than the second student, even though they received the same amount of force.

Which of Newton's Laws best describes this difference in motion?

• Newton's First Law

• Newton's Second Law

• Newton's Third Law

The marching band paced down the asphalt walkway at 1 meter per second.

Is this a description of speed, velocity or acceleration?

• Speed

• Velocity

• Acceleration

Tags

NGSS.MS-PS3-1

Rafael was running to the library and suddenly slowed down and then turned in the opposite direction because he forgot something in Mr. Dimla's class.

Is this a description of speed, velocity or acceleration?

• Speed

• Velocity

• Acceleration

Natalie's car traveled 1.3 meters per second in a straight pathway north.

Is this a description of speed, velocity or acceleration?

• Speed

• Velocity

• Acceleration

Tags

NGSS.MS-PS3-1

The PE class is outside playing flag football.

Arinne ran at 2 meters per second (s) for 10 seconds (t) while chasing after the opposing team.

How far did she run?

• 20 meters

• 20 seconds

• 5 meters

• 5 seconds

Jazmen's locker is at the front of school and her next class is here in room 404.

If she walks at a speed of 2 meters per second and travels a total distance of 60 meters, how much time did it take her to reach her next class in seconds?

• 120 meters / second

• 30 meters

• 120 seconds

• 30 seconds

Cash was measuring the speed of roller coasters at Disneyland while on the 8th grade Disneyland trip.

He found that the car traveled 30 meters in 2 seconds.

What is the speed of this roller coaster ride?

• 60 meters / second

• 120 meters / second

• 15 meters / second

• 3/2 meters / second

Tags

NGSS.MS-PS3-1

It takes Mr. Dimla half an hour (0.5 hour) to get to school with traffic. Mr. Dimla's commute is 13 miles long.

What is Mr. Dimla's average speed on his commute to school?

• 26 miles per hour

• 6.5 miles per hour

• 26 miles

• 6.5 hours

Luis needed to use the bathroom and now only has 60 seconds to get to his class 120 meters away.

How fast does Luis need to move in order to get to class on time?

• 3 m/s

• 1 m/s

• 2 m/s

• 4 m/s