Quiz: Movement, Speed, Velocity, Acceleration

A place or object used for comparison to determine if another object is in motion is called a

• comparison point

• frame of reference

• point of view

• motion detector

Suppose you are sitting in a car that is parked. What objects would make good reference points to determine whether or not a person walking by is moving?

• Signs on streets

• Other parked cars

• Trees

• All of the above

An object is considered to be ____ if its position changes relative to another object.

• in motion

• a reference point

• stationary

Alex is in a stationary school bus. Which is the best reference point for him to use to determine when the bus starts to move?

• the front entrance of the school

• the school bus sitting next to him

• a car slowly moving by

• a student walking on the sidewalk

Which of the following is a unit for acceleration?

• km/s

• m/s

• mi/hr

• m/s/s

A person riding a bicycle 10 m/s East is an example of...

• Speed

• Velocity

• Acceleration

• Direction

Velocity is defined as

• How fast an object moves

• the location of an object

• The acceleration of an object

• The speed an object moves in a specific direction

The Olympian swam 200 meters in 20 seconds. 

• speed
• velocity
• acceleration

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

The tornado is traveling northwest at 20 mph. 

• speed
• velocity
• acceleration

Tags

NGSS.MS-PS2-2

The Moon orbits the Earth. Why do we say it accelerates?

• The Moon is not accelerating because it is not speeding up

• The Moon does not accelerate because its motion stays constant

• The Moon is accelerating because its direction changes