Motion Vocabulary
Speed and Velocity
Acceleration
Interpreting Graphs
Reference Point
100
An object's distance and direction from a reference point.
What is position?
100
Velocity is speed and ___________.
What is direction?
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?
100
When you are sitting in a moving car and look outside, objects like trees seem to be moving past you. What do you call these objects that help you tell if the car is moving?
What is a reference point?
200
The speed at which an object is traveling and the direction it is traveling.
What is velocity?
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 (no acceleration)?
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?
200
A reference point is an object or set of objects you compare another object's position to in order to tell if it is moving. To pick a good reference point, it should be an object that appears to
What is "Stay in Place"
300
The distance an object moves in a given amount of time (distance/time).
What is speed?
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 three forms of acceleration.
What is increase speed (+), decrease speed (-), or change direction?
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?
300
You are sitting on a bench in a park watching a bird fly past a tree.
Which object would be a good reference point to decide if the bird is moving? Is the bird moving relative to that point?
What is the tree
400
A location to which another location is compared.
What is reference point?
400
A train's distance if it travels 45 kilometers per hour for 90 minutes.
What is 67.5 kilometers?
400
The greater acceleration if a school bus slows down coming a bus stops or a school bus slamming on the brakes because a puppy ran into the street.
What is the school bus slamming on the brakes because a puppy ran into the street?
400
Motion of a car if the line on a distance-time graph is angles upward.
What is speeding up?
400
You are sitting in a moving train and want to know if the train is moving. Name the best reference point you could use to determine the train’s motion?
What is a Stationary Object Outside
500
The rate at which velocity changes.
What is acceleration?
500
Mary's velocity if she jogs 2 miles east from her house to the park in 20 minutes.
What is 0.1 miles per minute east?
500
Ada's acceleration if she skates at 15 miles per hour in a straight line without speeding up or slowing down?
What is zero?
500
The slowest runner if the distance-time graph shows three runners in a race.
What is C (green line)?
500
A boat is floating near a pier, and waves are causing it to rock back and forth. What reference point should you use to determine if the boat is actually moving across the water?
What is the pier or dock?