Physical Science Chapter 11 Vocabulary

A system of objects that are not moving with respect to one another

• Frame of reference

• Relative motion

• Distance

• Vector

Movement in relation to a frame of reference

• Relative motion

• Frame of reference

• Resultant vector

• Distance

A quantity that has a direction associated with it.

• Vector

• Speed

• Distance

• Relative motion

The length of the path between two points

• Distance

• Average speed

• Resultant vector

• Acceleration

The vector sum of two or more vectors

• Resultant vector

• Instantaneous speed

• Velocity

• Acceleration

Tags

NGSS.MS-PS2-2

The ratio of the distance an object moves to the amount of time the object moves

• Speed

• Acceleration

• Linear graph

• Frame of reference

The total distance traveled divided by the time it takes to travel that distance

• Average speed

• Velocity

• Free fall

• Constant acceleration

The rate at which an object is moving at a given moment in time

• Instantaneous speed

• Velocity

• Acceleration

• Distance

The speed and direction an object is moving, measured relative to a reference point

• Velocity

• Free fall

• Frame of reference

• Vector

The rate at which velocity changes

• Acceleration

• Linear graph

• Nonlinear graph

• Average speed