Motion Vocabulary (ESL)

Front

Change in position of an object over time

Back

Motion

Front

Measurement of length between two points: __________

Back

distance

Front

Change in position of an object: __________

Back

displacement

Front

Measured by a clock.

Back

time

Front

How fast or slow an object is moving

Back

speed

Front

Speed with direction is __________.

Back

velocity

Front

Positive change in velocity: __________

Back

Acceleration

Front

Negative change in velocity: _________

Back

deceleration

Front

The pull of objects toward the Earth's center is called __________.

Back

gravity

Front

9.8 m/s² is the

Back

acceleration of gravity