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Term-Evaluation is a set of approaches and techniques used to make judgments about the effectiveness or quality of a program

Term explanation- to inform decisions about its design, development, and implementation

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Term-An independent variable is defines as the variable that is changed or controlled in a scientific experiment.

Term explanation-Independent variable are the variables that the experimenter changes to test their dependent variable

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Term-Speed is the distance traveled per unit of time

Term explanation-Speed is the scalar quantity that is the magnitude of the velocity vector. It doesn't have a direction

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Term-Distance is a scalar quantity that refers to "how much ground an object has covered"

Term explanation-it is the distance along a straight line from A and B, and when A and B are positions occupied by the same particle at two different instants of time.

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Term-a framework that is used for the observation and mathematical description of physical phenomena

Term explanation-usually consisting of an observer, a coordinate system, and a clock or clocks assigning times at positions with respect to the coordinate system.

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Term-In ALL the science there are basically TWO types of relationships

Term explanation-TWO types of relationships: Direct - This is where the two variables do the SAME THING. That is, if one increases so does the other and vice versa

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Term-A prediction is what someone thinks will happen.

Term explanation- prediction is a statement about the future. It's a guess

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Term-hypothesis is an idea

Term explanation-explanation that you then test through study and experimentation

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Term-Relative motion is the calculation of the motion of an object with regard to some other moving object

Term explanation-the motion is not calculated with reference to the earth, but is the velocity of the object

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Term-having a graph that is a line and especially a straight line

Term explanation- any given change in an independent variable will always produce a corresponding change in the dependent variable.

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Term-The testing of a substance

Term explanation-or mixture to determine the characteristics of its chemical constituents.

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Term-An inference is an idea or conclusion that's drawn from evidence and reasoning.

Term explanation-An inference is an educated guess

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Term-The control variable in scientific experimentation is the experimental element which is constant and unchanged throughout the course of the investigation

Term explanation-ilar to our example, most experiments have more than one controlled variable

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Term-acceleration is the rate of change of velocity of an object with respect to time.

Term explanation-An object's acceleration is the net result of any and all forces acting on the object

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Term-displacement is a vector whose length is the shortest distance from the initial to the final position of a point

Term explanation-. It quantifies both the distance and direction of an imaginary motion along a straight line from the initial position to the final position of the point.

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Term-scalars are quantities that are fully described by a magnitude (or numerical value) alone

Term explanation- A scalar is usually said to be a physical quantity that only has magnitude and no other characteristics.

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Term-quantitative  information or data is based on quantities obtained using a quantifiable  measurement process

Term explanation-Quantitative may refer to: ... Numerical data, also known as quantitative data.

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Term-the separating of any material or abstract entity into its constituent elements

Term explanation-this process as a method of studying the nature of something or of determining its essential features and their relations

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Term-A dependent variable is the variable being tested and measured in a scientific experiment

Term explanation-The dependent variable depends on the independent variable

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Term-the speed of something in a given direction

Term explanation-both magnitude and direction are needed to define it.

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Term- a nonlinear system is a system in which the change of the output is not proportional to the change of the input

Term explanation-, describing changes in variables over time, may appear chaotic, unpredictable

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Term-a vector is a geometric object  which has both magnitude or length and direction

Term explanation-A vector is commonly represented by a line segment in a specific direction, indicated by an arrow

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Term-An object's position is its location relative to a reference point

Term explanation-Position is a vector quantity because it does have a direction