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| organized set of investigation procedures |
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| tests the effect of one thing on another using controlled conditions |
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| a quantity that can have more than a single value |
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| value changes according to the changes in other variables |
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| the variable you change to see how it will affect the dependent variable |
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| a factor that does not change when other variables change |
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| the standard by which the test results can be compared |
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| occurs when what the scientist expects changes how the results are viewed. |
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| represents an idea, event, or object to help people better understand it. |
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| an explanation of things or events based on knowledge gained from many observations and investigations |
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| a statement about what happens in nature and that seems to be true all the time. |
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| the application of science to help people |
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| an exact quantity that people agree to use to compare measurements. |
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| standards universally accepted and understood by scientists throughout the world |
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| the amount of space occupied by an object |
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| a measurement of the quantity of matter in an object. |
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| the mass per unit volume of a material |
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| a visual display of information or data |
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| how far an object has moved |
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| the distance and direction of an object's change in position from the the starting point. |
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| the distance an object travels per unit of time. |
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| the total distance traveled divided by the total time of travel. |
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| the speed at any given moment of time |
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| included the speed of an object and the direction of its motion |
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| a possible explanation for a problem using what you know and what you observe |
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| combination of two or more forces acting on an object at the same time |
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| forces on an object that are equal in size and opposite in direction |
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Definition
| the tendency of an object to resit any change in it's motion |
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| newton's second law of motion |
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| states that the acceleration of an object is in the same direction as the net force on the object. |
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Definition
| the force that opposes the sliding motion of two surfaces that are touching each other |
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| the frictional force that prevents two surfaces from sliding past each other |
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| the force that opposes the motion of two surfaces sliding past each other |
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| opposes the motion of objects that move through the air. |
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| an attractive force between any two objects that depends on the masses of the objects and the distance between them. |
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| the gravitational force exerted on an object |
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| acceleration towards the center of a curved or circular path |
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| the net force exerted towards the center of a curved path |
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Definition
| the rate of change of velocity |
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