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8th science vocab

TermDefinition
Speed The rate at which an object moves.
Avenge Speed Distance divided by time.
Velocity Tells the rate of the object moves and witch direction it moves.
Acceleration Change in velocity (speed and direction) of an object. - Think like of a car
Force In science the push or pull between object.
Mass The amount of matter making up an object.
Independent variable what you change in your experiment or its variable that your testing.
Dependent variable its what you measure: the information you put in the data table * changes the independent variable * does not depend on anything else (stands alone)
Inertia 1) the tendency off all objects to resist a change in motion 2) the more mass an object has the more inertia it has
Newton's 1st law of motion effect of balanced and unbalanced forces on an object at 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 v.s. Weight Mass: does not change with location Weight: it does change with location. A measure of the force of gravity
Frame of Reference a framework that is used for the observation and mathematical description
Assumption a thing that is accepted as true or as certain to happen, without proof.
Created by: ckosinski21