Motion: Speed, Velocity, Acceleration

What is the speed of the red line?  

• 4 m/s 

• 16 m/s 

• 32 m/s 

• 2 m/s 

Tags

NGSS.MS-PS3-1

when an object changes its position compared to a reference point.

• acceleration

• speed

• motion

• reference point

Which of the following statements about speed and velocity is correct?

• Velocity only describes an object’s rate of motion.

• Speed describes how an object is changing its velocity.

• Speed and velocity both describe how an object is speeding up.

• Only velocity includes the direction an object is traveling.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

What is velocity?

• the quickness of an object

• the location of an object

• acceleration

• speed in a specific direction

Acceleration of an object happens when things ________

• slow down

• go faster

• change direction (turn)

• All of the above

Tags

NGSS.MS-PS2-2

A baseball thrown 90 miles per hour toward home plate is an example of ____.

• Speed

• Velocity

• Acceleration

• Direction

Tags

NGSS.MS-PS3-1

A car speeding up to get on the highway is an example of...

• Speed

• Velocity

• Acceleration

• Direction

An airplane travels 1260 km from San Francisco northeast to Chicago in 3.5 hours.

• Speed

• Velocity

• Acceleration

Tags

NGSS.MS-PS3-1

Acceleration describes how an object’s velocity is changing. Which of the following scenarios provides the best example of an accelerating object?

• A car driving at a constant speed

• A book sitting on top of a high shelf

• A toy train traveling in a circle

• A toy boat floating in a bathtub

Tags

NGSS.MS-PS2-2

When a car goes around a corner at 20 mph, why do we say it accelerates?

• The car is accelerating because of the velocity is constant

• The car accelerates because it's going 20 mph

• Cars always accelerate when they are in motion

• The car is accelerating because it's changing direction