sam science

 educated guess using what you know and what you observe hypothesis amount of space occupied by an object volume push or pull that one body exerts on another force force that opposes motion between two touching surfaces friction states that any two masses exert an attractive force on each other,the amount of which depends on the mass of the two objects and the distance between them law of gravitation organized procedure for testing a hypothesis that tests the effect of one thing on another under controlled conditions experiment distancce an object travels per unit of time speed sum of the forces that are acting on an object net force acceleration of an object toward the center of a curved or circular path centipetal acceleration speed of an object at a given point in time, which is constant for an object moving with constant speed and is different at each point in time for an object that is slowing down or speeding up instantaneous speed factor that can cause a change in the results of an experiment variable describes the speed and direction of a moving object velocity forces on a body that are equal in size and opposite in directionand do not change the motion of the body balanced force a force directed toward the center of a circle for an object moving in circular motion centripetal force property that a moving object has because of its mass and velocity momentum in an experiment, a variable that does not change when other variables change constant rate of change of velocity, which occurs if an object speeds up, changes direction, or slows down acceleration resistance of an object to a change in its motion inertia gravitation force exerted on an object by earth weight total distance that an object travels divided by the total time it takes to travel that distance average speed L to mL L x 1000 mL to L mL / 1,000 celsius to kelvin celsius + 273 kelvin to celsius K - 273 formula for momentum p= mv formula for velocity v= p / m formula for speed s= d / t formula for acceleration a= (Vf - Vi) / t formula for force f= maa= f / m states that any net force acting on an object causes the object to accelerate in the direction of the net force newton's second law of motion describes action-reaction pairs - to every action force there is an equal an oppostie reaction force newton's third law of motion an object moving at a constant velocity keeps moving at that velocity unless a net force acts on it newton' s first law of motion what is the difference between distance and displacement distance is how far something has traveled and displacemant is how far it is from its starting point Authorsami97 ID49986 Card Setsam science Descriptionscience comp review 1st trimester Updated2010-11-17T01:43:18Z Show Answers