Lesson 1: Position and Motion

Front

reference point

Back

The starting point used to describe the location or position of an object.

Front

specify

Back

To indicate or identify something in detail.

Tags

NGSS.MS-ETS1-1

Front

reference direction

Back

A direction chosen from a starting point to describe an object's position.

Front

dimension

Back

A measurement of something, such as height or width.

Front

imagine

Back

to form ideas in your mind

Front

relative

Back

Compared to something or someone else.

Front

motion

Back

The process of changing position.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Front

speed

Back

The measure of the distance an object travels per unit of time.

Tags

NGSS.MS-PS3-1

Front

velocity

Back

The speed and direction of an object's motion.

Front

vector

Back

A quantity that has both magnitude and direction, often represented by an arrow.