Physics
Branch of science that involves the study of the physical world: energy, matter and how they are related.
Hypothesis
An educated guess
Motion diagram
a series of images showing the positions of a moving object at equal time intervals
Scientific theory
A well-tested explanation for a set of observations or experimental results. Tells WHY something happens.
Partical Diagram
You replace the object of interest with single points to show motion
Velocity
Speed in a given direction
Model
A representation of an object or event
Vector
A quantity that has both size and direction.
Scalar
A physical quantity that has magnitude but no direction
Average speed
total distance divided by total time
Scientific Law
A statement that describes what will happen every time.
Displacement
the change in position of an object
Position
the location of an object
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