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Terminal Velocity
Expedition 2
21
Science
6th Grade
03/04/2012

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Term
Reference Point
Definition
The location from whichmotion is studied.
Term
Distance
Definition
How far apart two objects are.
Term
Displacement
Definition
Both the direction and the numerical difference between the final position and the initial position.
Term
Scalar
Definition
Those that only have magnitude.
Term
Vector
Definition
Describes both magnitude and direction.
Term
Vector Arrows
Definition
Arrows that represent both the magnitude and the direction of motion.
Term
Speed
Definition
Distance traveled over a given amount of time.
Term
Instantaneous Speed
Definition
Speed of an object at an exact moment of time.
Term
Constant Speed
Definition
When there is no change in speed.
Term
Average Speed
Definition
Total distance traveled by the elapsed time.
Term
Rate
Definition
The amount of change in any measurement over time.
Term
Velocity
Definition
Represents both the speed and direction in which an object is moving.
Term
Acceleration
Definition
Changes in speed or direction.
Term
Deceleration
Definition
negative exceleration.
Term
Acceration
Definition
Is a vector quantity.
Term
Linear Motion
Definition
Line or in a demension
Term
Non-Linear Motion
Definition
Motion not in a straight line.
Term
Projectile Motion
Definition
Thrown or launched horizontally and effected by gravity.
Term
Projectile
Definition
Thrown on the surface of the Earth.
Term
Trajectory
Definition
A projectile that is in an arc shaped path.
Term
Circular Motion
Definition
Motion that travels in a circular movement.
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