Motion Vocabulary
Distance and Displacement
Speed and Velocity
Acceleration
Interpreting Graphs
100
The ratio of the distance an object moves to the amount of time needed to travel the distance.
What is speed?
100
Of the following, the one that would be most practical for measuring the length of your finger. kilometers miles centimeters feet
What is centimeters?
100
This is measured by your car's speedometer.
What is instantaneous speed?
100
Acceleration is described as changes in ________, changes in ___________, or both.
What are speed and direction?
100
Motion of a car if the line on the distance-time graph is horizontal.
What is not moving?
200
The speed at which an object is traveling and the direction it is traveling.
What is velocity?
200
Nikki's total displacement if he drives 4 miles east from his house to pick up his friend Dave, and then drive 2 more miles east to school.
What is 6 miles?
200
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?
200
The acceleration of a bus moving at a constant speed of 50 miles per hour.
What is zero?
200
Motion of a car if the line on the distance-time graph is a straight line going up.
What is moving at constant speed?
300
The rate at which an object is moving at a given time.
What is instantaneous speed?
300
A system of objects that are not moving with respect to one another.
What is a frame of reference?
300
The faster runner if Bo runs 4 miles in 1 hour, and Mo runs 2 miles in 20 minutes.
Who is Mo?
300
The formula for calculating acceleration.
What is the change in velocity divided by the total time?
300
Motion of a car if the line on a distance-time graph is a straight line going down.
What is moving at constant speed?
400
The direction from the starting point and the length of a straight line from the starting point to the ending point.
What is displacement?
400
Monique's total displacement if she walks 2 blocks east to her friend Carla's house, then 4 blocks west (past her own house) to her friend Kate's house.
What is 2 blocks?
400
A train's average speed if it travels 190 kilometers in 3 hours, and then 120 kilometers in 2 hours.
What is 62 kilometers per hour?
400
The acceleration of a car traveling at 10 meters per second that takes 20 seconds to stop.
What is 0.5 meters per second squared?
400
Motion of a car if the line on a distance-time graph is curving upward.
What is speeding up?
500
The rate at which velocity changes.
What is acceleration?
500
Johnny's total displacement if he walks 2 miles to the school, and then takes the short cut back home that is only 1 mile.
What is zero?
500
A jogger's average speed if she jogs 4 kilometers in 32 minutes, then 2 kilometers in 22 minutes, and finally 1 kilometer in 16 minutes.
What is 0.1 kilometers per minute?
500
The acceleration of a race car that goes from a pace car speed of 400000 kilometers per second to full speed of 900000 kilometers per second in 10 seconds.
What is 50000 kilometers per second squared?
500
Motion of a car if the line on a velocity-time graph is a straight line down.
What is slowing down?
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