Speed & Acceleration Review

Which is most likely needed when describing the change in position of an object?

• initial speed

• direction change

• reference point

• constant rate

Alex is writing down notes as he watches his friend Carla in a bicycle race. He makes the following notes.

Which notes show that Carla’s bicycle is in motion?

• 1, 2, & 5

• 1, 2, & 3

• 2, 3, & 5

• 2, 3, & 4

Tags

NGSS.MS-PS3-1

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?

• 0-2 seconds

• 2-3 seconds

• 3-4 seconds

• 4-6 seconds

Tags

NGSS.MS-PS3-1

A helicopter ambulance flew from one hospital to another in a straight line. The pilot had to change speed several times due to the presence of other aircraft.

What was the average speed of the helicopter during the trip?

• 2.0 km/min

• 2.5 km/min

• 4.0 km/min

• 7.5 km/min

Tags

NGSS.MS-PS3-1

Two toy cars are traveling on a track.

Thirteen minutes after they start, how do the speeds of the cars compare?

• Both cars are traveling at the same speed.

• Both cars have stopped moving on the track.

• Car 1 is moving faster.

• Care 2 is moving faster.

Tags

NGSS.MS-PS3-1

This graph shows the distance traveled by a remote control toy car over time.

If the car continues moving at the same rate, how far will it travel in 2 minutes?

• 10 m

• 60 m

• 120 m

• 200 m

Tags

NGSS.MS-PS3-1

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

A toy robot moved from a starting point, traveling in a straight line at different speeds and then turning around and returning to the starting point at different speeds.

What is the total distance that the toy robot traveled?

• 12 m

• 24 m

• 48 m

• 96 m

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

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?

• 10 km

• 15 km

• 25 km

• 30 km