Describing Motion

measure of change in velocity

• speed

• acceleration

• motion

• reference point

distance an object moves in a unit of time

• speed

• acceleration

• motion

• reference point

Tags

NGSS.MS-PS3-1

change of position

• speed

• acceleration

• motion

• reference point

distance and direction from a reference point

• reference point

• acceleration

• position

• motion

not changing

• reference point

• motion

• position

• constant

speed of an object in a given direction

• constant

• motion

• velocity

• reference point

Tags

NGSS.MS-PS3-1

distance between the initial and final position

• motion

• displacement

• constant

• reference point

starting point used to describe the location of an object

• relative

• reference point

• displacement

• motion

Jeff is in a stationary 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

• a car waiting to pick up another student

• the school bus sitting next to him

• a student walking on the sidewalk

Which is the best reference point for describing the motion of the planets in our solar syste?

• The moon

• the sun

• Mars

• Jupiter

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4