Front

Motion

Back

When an object changes position compared to a reference point.

Front

Reference Point

Back

A stationary object used to see if something is moving.

Front

Relative Motion

Back

Movement described compared to something else, like a car next to a tree.

Front

Position

Back

Where an object is located.

Front

Speed

Back

How fast an object is moving.

Front

Velocity

Back

Speed in a specific direction.

Front

Direction

Back

The path an object moves, like left, right, up, or down.

Front

System

Back

A group of objects that interact, like a car, road, and tree.

Front

Frame of Reference

Back

The viewpoint from which motion is observed.

Front

Distance

Back

How far an object moves from its starting point.