acceleration - the rate at which velocity changes, axis - one of two (or more) number lines that form a graph, dependent variable - the variable that you believed is influenced by the independent variable; the dependent variable can can also be called the responding variable, independent variable - a variable that you believe may influence another variable, the independent variable may also be called the manipulated variable, projectile - an object moving through space and affected only by gravity, vector - a variable that gives direction information included in its value, acceleration due to gravity - the value of 9.8 m/s which is the acceleration in free fall at Earth's surface usually represented by the small letter g, constant speed - speed that stays the same and does not change, free fall - accelerated motion that happens when an object falls with only the force of gravity acting on it, origin - a place where the position has been given a value of zero, slope - the ratio of the rise (vertical change) to the run (horizontal change) of a line on a graph, velosity - a variable that tells you both speed and direction, average speed - the total distance divided by the total time for a trip, coordinates - values that give a position reletive to an origin, graph - a visual representation of data, position - a variable that tells location relative to a origin, speed - describes how quickly an object moves, calculated by dividing the distance traveled by the time it takes,

Science chapter 4 vocab

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