Speed, Acceleration and Velocity

Acceleration of an object happens when things ________

• slow down

• go faster

• change direction (turn)

• All of the above

Tags

NGSS.MS-PS2-2

In the distance vs. time graph, what type of motion does the line represent? 

• Speed

• Velocity

• Acceleration

• Deceleration

Tags

NGSS.MS-PS3-1

A car traveling 300 miles in 5 hours is an example of _____. 

• Speed

• Velocity

• Acceleration

• Direction

Tags

NGSS.MS-PS3-1

Describe the speed of the object from 4-6 seconds using the distance vs. time graph.

• Increasing speed

• Decreasing speed

• Not moving

• Constant speed

Tags

NGSS.MS-PS3-1

Which time section is the object moving the fastest?

• 0-10 seconds

• 10-20 seconds

• 20-30 seconds

• 30-40 seconds

Tags

NGSS.MS-PS3-1

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.

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-PS3-5

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

The gees fly 23 mph to the south when they migrate for the winter.

• speed

• velocity

• acceleration

Tags

NGSS.MS-PS3-1

The tornado is traveling northwest at 20 mph.

• speed

• velocity

• acceleration