DST
DST stands for
Distance, Speed, Time
SI stands for
International System or System International
An object's distance and direction from a reference point
Position
The rate of change of position in which the same distance is traveled each second
Constant Speed
Kilo, Hecto, Deka, Deci, Centi, Milli (used before a root word) are called
prefixes
How far is
Distance
Meters, liters, and grams are ______units
ones
The starting point you choose to describe the location, or position, of an object
The total distance traveled divided by the total time taken to travel that distance
Average Speed
Units of distance, mass, temperature, and time have magnitude but not direction, so are
Scalar
How long is
Time
meter
The process of changing position
Motion
The speed and direction of a moving object
Velocity
It shows the cardinal directions: North, South, East, West
Compass Rose
How fast is
Speed
There are _____ centimeters in a meter
100
The difference between the initial position and the final position of an object
Displacement
The measure of the distance an object travels per unit of time
If a measurement has magnitude but not direction it is
Scalar
Solve for distance if speed is 10m and time is 4s
40m
There are ______meters in a kilometer
1000
A network of satellites that circle the Earth twice a day and sends information to ground receivers
GPS
The speed at a specific instant in time
Instantaneous Speed
If a change in position has direction it is a
Vector