Speed, Velocity, Acceleration Practice

___ refers to how fast an object is moving.

• Speed

• Velocity

• Acceleration

• Motion

Tags

NGSS.MS-PS3-1

Which two factors does speed depend on?

• distance and direction

• direction and time

• distance and time

• distance, time and direction

What two factors does velocity depend on?

• speed and direction

• distance and time

• speed and time

• distance and direction

Which is an example of speed?

• A car driving 55 miles per hour south.

• A bicyclist traveling 10 meters per hour toward the next town.

• A roller coaster is traveling 10 meters per second.

• A rocket blasting off at 2,500 meters per second toward space.

Tags

NGSS.MS-PS3-1

Which is an example of velocity?

• A car driving 55 miles per hour south.

• A bicyclist traveling 10 meters per hour.

• A roller coaster is traveling 10 meters per second.

• A rocket blasting off at 2,500 meters per second.

Speed or Velocity?:

A turtle is crawling 34 cm/min.

• Speed

• Velocity

• Neither

• Both

Tags

NGSS.MS-PS3-1

Speed or Velocity?:

A train is travelling North 220 km/hr

• Speed

• Velocity

• Neither

• Both

Acceleration is a speeding up, slowing down or a change in direction. Is the following acceleration and if so, which one?

A swimmer has 10 meters left in the race and he is neck-in-neck with his competitor. He has a surge of adrenaline and pulls ahead to win.

• Yes, this is acceleration since the swimmer starts to speed up to pull ahead.

• Yes, this is acceleration since the swimmer uses the wall to change directions.

• No, this is not acceleration since there is no speeding up, slowing down, or change in direction.

Tags

NGSS.MS-PS3-5

Acceleration is a speeding up, slowing down or a change in direction. Is the following acceleration and if so, which one?

A dancer is warming up. She turns on music with a good beat and does 10 pirouettes in a row perfectly on the beat. (pirouette is a body spin in ballet)

• Yes, this is acceleration since the dancers is going a certain speed.

• Yes, this is acceleration since the dancer is changing direction when she spins.

• No, this is not acceleration since there is no speeding up, slowing down, or change in direction.

This occurs when an object speeds up, slows down, or changes direction.

• Speed

• Velocity

• Acceleration

Tags

NGSS.MS-PS3-5