p.1.2

A car traveled 30 miles in one hour, while a bus traveled 60 miles in one hour. Which best describes the motion of the vehicles?

• A. The speed of the car is greater than the speed of the bus.

• B. The vehicles traveled at a constant speed.

• C. The speed of the bus was greater than the speed of the car.

• D. They traveled at the same average speed.

A car traveled for ten minutes. In the first seven minutes, the car traveled seven miles. In the last three minutes, the car traveled one mile. Which best describes the motion of the car in the last three minutes?

• A. The car stopped.

• B. The car sped up.

• C. The car slowed down.

• D. The car went twice as fast

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

How can the speed of an object best be determined?

• A. distance traveled divided by time it took to travel

• B. time it took to travel divided by distance traveled

• C. distance traveled divided by speed traveled

• D. speed traveled divided by distance traveled

Which runner has the fastest speed?

• A. Anna, who can run 40 meters in 8 seconds.

• . B. Bob, who can run 40 meters in 6 seconds.

• C. Carlos, who can run 40 meters in 5 seconds.

• D. Jessica, who can run 40 meters in 9 seconds.

Tags

NGSS.MS-PS3-1

Marni runs 1500 meters around the school track. What does she need to know in order to find out her speed?

• A. her time from start to finish

• B. the number of steps she took

• C. her heart rate at the finish line

• D. the direction she began running

Tags

NGSS.MS-PS3-1

A girl walked for 30 minutes. She noticed that she traveled farther in the first 15 minutes of her walk than in the second 15 minutes. What can she conclude about her walk?

• A. She walked over many hills.

• . B. Her average speed was faster during the first half of her walk.

• C. She walked in two different directions.

• D. She was walking at a constant speed.

A woman runs 6 miles in an hour. After another hour she has run an additional 5 miles. Based on this information, which best describes the motion of the woman?

• A. She is coming to a stop.

• B. Her speed is slowing as she runs.

• C. Her speed is increasing as she runs.

• D. She is changing directions as she runs

A runner’s times for each section of a 400-meter race are shown in the data table below. Which best describes the runner’s motion over the course of the 400- meter race?

• A. The runner’s speed increased.

• B. The runner’s speed decreased.

• C. The runner’s speed stayed the same.

• D. The runner’s direction remained the same.

Tags

NGSS.MS-PS3-1

A student conducted an investigation with four objects rolling down a ramp. Below is the data collected:

Which object rolled the fastest?

• A

• B

• C

• D

Tags

NGSS.MS-PS3-1

A class is traveling two hours by bus on a field trip. The distance the bus traveled during the first hour is less than the distance the bus traveled during the second hour. What can most likely be concluded about the trip?

• A. The bus traveled at a constant speed each hour.

• B. The bus traveled faster during the first hour than the second hour.

• C. The bus traveled slower during the first hour than the second hour.

• D. There is not enough information to make conclusions about speed.