An object is _____ if its position changes relative to another object.

• in motion
• at reset
• a frame of refence
• magical

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

• comparison point
• reference point
• point of view
• motion detector

A position vs. time graph shows an object's

• frame of reference
• speed
• acceleration
• favorite food

What quantity can you calculate if you know that a car travels forward 30 kilometers in 20 minutes?

• motion
• speed 
• velocity
• acceleration

Velocity is

• speed and acceleration
• constant speed
• a frame of reference
• speed in a given direction

Speed =

• distance / time
• time / distance
• distance * time

Tags

NGSS.MS-PS3-1

You walk 10 meters to science class in 20 seconds. Your average speed is

• 2 m/s
• 0.5 m/s
• 200 m/s
• 5 m/s

On a position-versus-time graph, a straight line ALWAYS indicates that an object’s speed is _____.

• constant
• zero
• increasing
• decreasing

Tags

NGSS.MS-PS3-1

Change in speed over a given period of time is

• velocity
• motion
• speed
• acceleration

Does the speedometer of a car read average speed or instantaneous speed?

• average speed
• instantaneous speed