Describing Motion Quiz

The distance a toy train travels is shown in the table.

If the train continues to travel at a constant speed, how many seconds will it take the train to travel 4 meters?

• 10

• 12

• 13

• 11

Nassir challenged his math teacher, Ms. Goodstone, to a race at recess. They are both trying to reach the 100-yard mark in the shortest amount of time. The graph shows the details of the race. Which statements about the race are true? Select three.

• Ms. Goodstone won the race because she ran faster than Nassir.

• Nassir won the race because he reached the 100-yard line first.

• Both Nassir and Ms. Goodstone began the race at the same starting line.

• Ms. Goodstone has a head start, beginning the race at the 10-yard mark.

• Both Nassir and Ms. Goodstone ran at a constant speed.

Jolanta is training for a marathon. Part of her training program involves running long distances in the weeks leading up to the event. The graph below shows her run from last Saturday. What conclusion can you draw from the graph?

• Jolanta’s speed increased steadily throughout her run.

• Jolanta’s speed remained constant throughout her run.

• Jolanta’s speed decreased steadily throughout her run.

• Jolanta’s speed increased then decreased throughout her run.

Kallie and Eva are experimenting with marbles and a ramp. First, they rolled a blue marble down a ramp 3 times and recorded the time and distance. Then, they rolled an orange marble down the same ramp 3 times and recorded the same data. Based on the data in the tables, which statements about the blue and orange marbles are true? Select two.

• The blue marble is faster than the orange marble.

• The blue and orange marbles are moving at the same speed.

• Both the blue and orange marbles moved at a constant speed.

• Both the blue and orange marbles moved faster in the 3rd trial.

• The orange marble moved a further distance than the blue marble.

Victor wants to figure out the fastest route from his house to his work. He explored two routes, one on a straight highway and one through the countryside. The details are listed below.

-Straight highway: 12 miles in distance, no stoplights or stop signs, speed limit is 65 mph.

-Countryside: 10 miles in distance, back roads with many twists, turns, and stop signs, speed limit is 45 mph.

Which route would be fastest for Victor to take, and why?

• Straight highway because Victor can travel at a constant speed.

• Countryside because Victor can avoid the highway traffic.

• Straight highway because there are no stoplights or stop signs.

• Countryside because it is a shorter distance to travel.

How can you determine if an object is traveling at a constant speed? Include the terms distance and speed in your answer.

• The object moves the same distance in different amounts of time

• The object moves different distances in the same amount of time

• The object moves the same distance in the same amount of time

• The object stops and starts again while moving