PS 10.1 What is Motion?

Which object is traveling faster?

• A
• B
• They are traveling at the same speed
• Both are at rest

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

Jane is sitting in her car. Her mother is driving her from their house to the library. Jane waves as she passes her friend Marina. Which of the following is NOT moving with respect to Jane?

• Marina
• the car
• the library
• Jane's house

A distance vs. time graph shows an object's

• frame of reference
• speed
• acceleration
• favorite food

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

All motion is described as relative because

• how do you ever really know if something is in motion
• motion means different things to different people
• everything in the universe is constantly in motion, so it depends on your frame of reference

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 math class in 20 seconds. Your average speed is

• 2 m/s
• 0.5 m/s
• 200 m/s
• 5 m/s