Ch. 9 Vocab- Science Flashcards
(9 cards)
0
Q
Reference point
A
A place or object used for comparison to determined if an object is in motion.
1
Q
Motion
A
The state at which one object’s distance from another is changing.
2
Q
Velocity
A
Speed in a given direction
3
Q
Acceleration
A
The rate at which velocity changes.
4
Q
Speed
A
The distance an object travels per unit of time.
5
Q
Meter
A
The basic SI unit of length.
6
Q
Slope
A
The steepness of a line graph.
7
Q
International System of Units
A
The systems of units (SI) used by scientist to measure the properties of matter.
8
Q
Average speed
A
The overall rate of speed at which an object moves.
