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# 8th science vocab

TermDefinition
Speed The rate at which an object's moves
Average Speed Speed= distances divided by time/DISTANCE,TIME
Velocity Tells the rate an object's moves and in which direction it moves ***Think of the air traffic controller
Acceleration Change in velocity(speed and direction) of movement and direction of an object (Think of car) **a car going at the same speed but turning or going into a curve
Force In science the push or pull between objects
Mass The amount of matter making up an object
Independent variable What you change in your experiment or its the variable that you are testing
Gravity Its changes the independent variable
Inertia 1) The tendency of all objects to resists a change in motion 2) The more mass an objects has the more inertia it has
Dependent Variable It's what we measure: the information you put in the data table *Changes the independent variable *Does not depend on anything else (stands alone)
NewtonĊ 1st law of motion Effect of balanced and unbalanced forces of an object at the rest and on an object in motion
Newton's 2nd law of motion The amount of force needed to accelerate an object. It depends upon the mass of the object
Mass VS. Weight Mass- Does not change location Weight- It does not change location. A measure of the force of gravity
Energy
Assumption
Balanced Force
Unbalanced Force
Vectors
Resultant
Frame of Reference
unit for volume cm
unit for liquid mL
Created by: ldecaro21

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