Module Two Lesson One Key Terms
● Frame of reference: A method of describing the position, velocity or acceleration
of an object. Often, the reference frame is given for some type of coordinate
system.
● Motion: Any movement of change in position or time
● Distance: A scalar quanitity that describes how far apart two objects are
●Vector: A qualtity described by magnitude and direction (ex: 55 mph East)
●Scalar: a quantity described by magnitude (ex: 20 meters)
●Displacement: a vector quantity that describes that change in position of an
object.
