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In one day, a family in a car rode for 2 hours, stopped for 3 hours, and then rode for another 5 hours. During the day, the family traveled a total distance of 400 kilometers. What was their average speed for the whole trip?

• 10 km/h

• 20 km/h

• 40 km/h

• 50 km/h

Anna ran 100 meters in 20 seconds. What was her average speed?

• 2 m/s

• 5 m/s

• 20 m/s

• 25 m/s

Tags

NGSS.MS-PS3-1

Tom, Bob, and Bill are in a bicycle race. Tom travels 1.5 miles in 12 minutes, Bob travels 2 miles in 22.3 minutes, and Bill travels 2.9 miles in 10 minutes. Who had the greatest speed? (speed = distance ÷ time)

• Tom

• Bob

• Bill

Students observed a turtle in the schoolyard. They measured the distance that the turtle traveled in 30 minutes. If the turtle walked 40 meters in that time, what was its average speed?

• 0.75 m/h

• 20 m/s

• 80 m/h

• 1,200 m/h

Tags

NGSS.MS-PS3-1

What does this graph represent?

• Constant Speed
• Acceleration
• Not moving

Tags

NGSS.MS-PS3-1

What does this graph represent?

• Constant speed
• Acceleration
• Not moving

Match the description to the graph:

"The car is stopped."

• 
• 
• 

Tags

NGSS.MS-PS3-5

A measurement of how fast an object is moving with direction

• Velocity

• Speed

• Vector

• Acceleration

The graph shows Ashley riding her bike to Maria's house. 
What was occurring from point B to point C?

• She was increasing her speed.
• She stopped for 4 minutes
• She was decreasing in speed

Tags

NGSS.MS-PS3-1

Which line represents an object moving at a slower speed?

• A
• B

Tags

NGSS.MS-PS3-1