Position and motion / Spark

___________ is the starting point we choose to describe the location (position) of an object.

• Motion

• Starting coordinate
• The reference point

__________ such as east, west, north, south, up, down, right, left are also used to determine the position of an object.

• Directional indicators
• Relative directions

• Geographic markers

___________ is the change in an object's position.

• Direction

• Motion

• Acceleration

The position of an object is its distance in a certain direction from a reference point.

• True

• False

The term up, down, forward, and backward are used to determine the:

• direction of an object's motion

• Speed of an object's motion

• Amount of time an object takes to move