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experiment

Tells/finds the relationship between variables

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scientific model

shows how each variable relates to another based on the results of an experiment

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mental model

a model you make in your head

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physical model

a model you can look at, touch, feel, and take measurements from

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conceptual model

a way to show how something works that is descriptive in nature

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graphical model

a graph showing how two variables are related

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dependent variable

a variable that changes based on another variable

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independent variable

a variable that you control and change, the experimental variable

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experimental variable

a variable that you control and change, the independent variable

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y

the dependent variable goes on the _ axis

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x

the independent variable goes on the _ axis

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data

if a graph is created from accurate ___, the prediction will also be accurate

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cause and effect

the relationship between two variables is also known as a _______ relationship

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pattern

to have a relationship between variables, the graph must show a what?

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strong

a relationship where a small change in one variable makes a big change in the other is ____

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weak

a relationship where a big change in one variable has little effect on the other is ____

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inverse

a graph with a negative slope (points down to the right) shows what kind of relationship?

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velocity

a distance vs. time graph shows speed, whereas a position vs. time graph shows...

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position

where something is compared to where it started

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distance

an interval of length without regard to direction

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rise

the vertical change of a graphed line

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run

the horizontal change of a graphed line

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average speed

total distance traveled divided by total time taken

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instantaneous speed

the speed at a specific point in your journey

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