Motion Review

Jeff is in a stationary (still; not moving) 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 car next to him
• the bus next to him
• a student walking on the sidewalk

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.HS-PS4-1

You walk 10 meters to math class in 5 seconds. Your average speed is

• 2 m/s
• 0.5 m/s
• 200 m/s
• 5 m/s

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

• constant
• zero
• increasing
• decreasing

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

What would happen if the south pole of a magnet came close the north pole of a magnet?

• The two magnets repel each other 
• The two magnets attract each other 
• No change in motion 
• The magnets would spin in circles 

Tags

NGSS.MS-PS2-5

NGSS.MS-PS2-3

Acceleration is

• increasing speed
• decreasing speed
• changing direction
• all of the above

On a speed graph, a line going down means... 

• slowing down 
• going downhill 
• going back to the original position
• heading south 

Tags

NGSS.MS-PS3-1

A cup is sitting on a table. Which statement best describes the relationship between the cup and the table? 

• The cup is accelerating faster than  the table
• The cup is pushing on the table 
• The cup is doing work on the table 
• The forces on the cup are unbalanced 

Tags

NGSS.MS-PS2-5