7 P 1 3

The graphs below show the motion of two toy cars.

Which statement BEST compares the motion of the two cars?

• Car 1 traveled faster than Car 2

• Car 1 had the same velocity as Car 2

• Car 1 had a greater acceleration than Car 2.

• Car 1 traveled in a different direction than Car 2.

Tags

NGSS.MS-PS3-1

Tisa and Lily ran a race in gym class. Lily was off balance so she did not start until 2 seconds had passed.

What were the average speeds of the two runners during the periods in which they were actually running? (Note: Lily did not start running until time = 2 s.)

• Tisa: 6.0 m/s; Lily: 6.0 m/s

• Tisa: 6.0 m/s; Lily: 7.5 m/s

• Tisa: 7.5 m/s; Lily: 6.0 m/s

• Tisa: 7.5 m/s; Lily: 7.5 m/s

Tags

NGSS.MS-PS3-1

Which graphs show a point where the objects were motionless over a period of time?

• Graph 1 and Graph 2

• Graph 3 and Graph 4

• Graph 1 and Graph 3

• Graph 2 and Graph 4

What is the speed of the snail?

• 0.25 min/cm

• 0.50 min/cm

• 1.00 cm/min

• 4.00 cm/min

Tags

NGSS.MS-PS3-1

List the steps of the scientific method

d

e

f

c

b

a

Analyze results

Form a hypothesis

Draw conclusions

Communicate results

Conduct experiment

Ask a question

A drill head attached to an arm on an automated tool moved from a starting point, traveling in a straight line at different speeds and then returning to the starting point at different speeds.

During which time period was the drill head moving fastest?

ABCD

• 0–2 seconds

• 2–3 seconds

• 3–4 seconds

• 4–6 seconds

Tags

NGSS.MS-PS3-1

The graph below represents a car traveling approximately 14 km in about 16 hours.

What was the car doing from 10-12 hour time period?

• The car was stopped.

• The car was speeding up.

• The car was slowing down.

• The car was changing directions.

Alesia is taking an all-day ride on her bicycle. The graph shows how far she is from home at different times during her ride.

During which time period is Alesia moving fastest?

• 0–1 hours

• 3–4 hours

• 4–5 hours

• 6–7 hours

Tags

NGSS.MS-PS3-1

This is a graph of the motion of a small boat traveling at a constant speed.

How far will the boat travel in 15 hours?

ABCD

• 10 km

• 15 km

• 25 km

• 30 km

Tags

NGSS.MS-PS3-1

This graph shows the motion of a bus.

If the bus continues moving at the same speed, what is the total distance that it will have traveled in 7.5 minutes?

• 1500 m

• 7000 m

• 7500 m

• 8000 m

Tags

NGSS.MS-PS3-1