Motion Crossword

The state in which one object's distance from another is changing.
A place or object used for comparison to describe the position of motion of a person or object.
The length of a path between two points.
The length and direction of a straight line between starting and ending points.
A measurable quantity that consists of both a magnitude and a direction.
The distance an object travels in a certain period of time without regard to direction.
The speed of an object at any given instant.
An object's speed in a given direction.
The steepness of a line on a graph, equal to its vertical change divided by its horizontal change.
The rate at which velocity changes with time.
The average speed is calculated by dividing the ______ distance an object travels by the ______ time.
To determine the acceleration of an object, you must calculate its change in _________ per unit of time.
If an object changes position relative to a reference point, it is in _________.