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MO
T
I
O
N
100
Distance traveled by a moving object per unit of time.
Speed
100
The speed that something is going at an exact moment.
Instantaneous Speed
100
A place or object used for comparison to determine if something in in motion.
Reference Point
100
When an object speeds up or changes direction.
Accelerates
100
Basic SI unit of length.
Meter
200
What is the equation for speed?
Distance/Time
200
What does the prefix kilo mean?
1,000
200
Change in an object's position relative to a reference point.
Motion
200
When is an object in motion?
When its distance is changing from a different object.
200
How many meters are in a kilometer?
1,000
300
What is constant speed?
When the speed of an object does not change.
300
When an object slows down.
Deceleration
300
Where is the International System of Units used?
All over the world.
300
If a runner travels 100 km in 2 hours what is her average speed?
50 km/h (100/2)
300
Total distance divided by total time.
Average Speed
400
A tornado is moving eastward at 40 mph. What is this describing about the tornado? (hint: direction and speed)
Its velocity
400
What two things do you need to determine speed?
The distance traveled and amount of time it took to travel.
400
Solve: 900 cm = _______ mm
9,000 mm
400
Rate at which velocity changes.
Acceleration
400
A gym is 50 meters wide. How wide is the gym in centimeters?
5,000 cm (50x100)
500
If you run 100 m in 20 secconds what is your speed?
5 m/s (100m/20s)
500
Solve: 100 mm = ______ m
.1 m
500
How many feet are in a mile?
5,280
500
Solve: 55 km = _________ m
55,000 m
500
How many yards are in a mile?
1,760