Motion Vocabulary
The ratio of the distance an object moves to the amount of time needed to travel the distance.
Speed
Of the following, the one that would be most practical for measuring the length of your finger. kilometers miles centimeters feet
What is centimeters?
This is measured by your car's speedometer.
What is speed?
A change in velocity is described as a change in ________, and ___________.
speed and direction
Motion of a car if the line on the distance-time graph is horizontal.
What is not moving?
The speed at which an object is traveling and the direction it is traveling.
velocity
Maria's total distance if she drives 4 miles east from her house to pick up her friend Dave, and then drive 2 more miles east to school.
6 miles
The speed of a train car if its distance-time graph indicates that it traveled 200 meters in 25 seconds.
What is 8 meters per second?
The acceleration of a bus moving at a constant speed of 50 miles per hour.
What is zero?
Motion of a car if the line on the distance-time graph is a straight diagonal line going up.
What is moving at constant speed?
The rate at which an object is moving at a given time.
speed
A point used to determine the position of an object.
Reference Point
How fast is Bob if he travels 150 miles in 2 hours?
75 miles per hour
The formula for calculating Time
What is the distance divided by the speed?
Motion of a car if the line on a distance-time graph is a diagonal line going down.
What is moving at constant speed?
Any change in location or position of an object.
Motion
Of the following, which is a unit measurement of speed.
A. 3 cm B. 3s C. 3cm/s
C. 3 cm/s
A train's average speed if it travels 180 kilometers in 3 hours,
60 Km/hour
The distance a jogger runs if her speed was 5 meters per second and the time it took her was 5 seconds.
What is 25 meters?
Motion of a car if the line on a distance-time graph is curving upward.
What is speeding up? (accelerating)
The rate at which motion changes.
speed
Sammy the super snail (YES IM BACK!!!), travelled 20 meters in 4 seconds, what was Sammy's speed?
5 m/s
A term which means speed in a particular direction.
Velocity
The speed of a race car that goes 400 km per second in 10 seconds.
What is 40 kilometers per second?
Motion of a car if the line on a speed-time graph is a straight line across at the y-axis line.
What is at rest or stopped.