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Physics-Unit I Vocab

SI The international system of measurement used in Physics
Scalar A type of measurement that gives a number only
Vector A type of measurement that gives both an amount and a direction
Magnitude The number or amount of a given measurement
Order of magnitude a way to compare measurements using scientific notation
Mega the metric prefix for a million
Speed the scalar quantity for how fast an object is travelling
Velocity the vector quantity for how fast and in what direction an object is travelling
Distance the scalar quantity for how far an object has travelled
Displacement the vector quantity for the distance and direction an object has travelled
Acceleration the vector quantity that describes the rate of change of motion
Hypothesis an experimental statement that will be tested in order to answer a question
Theory a collection of statements that have endured scientific testing
Scientific Law A statement of fact that most likely will never be proven false
Dogma A collection of sound scientific laws
Created by: mrmpellegrino