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33 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Controlled variable |
Variables that are held constant to avoid changes to the experiment |
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Control/ control group |
A group that does not receive treatment from the independent variable |
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Independent/ manipulated variable |
That factor that is changed to see how it affects the experiment |
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Responding/dependant variable |
The factor that changes in response to the independent variable |
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experiment groups
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groups that receive treatment from independent variable (vs. control group) |
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qualitative observation
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an observation based on qualities rather than numbers |
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quantitative observation |
an observation based on quantities |
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hypothosis |
statement on an idea based on observations or previous knowledge |
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prediction |
a guess about what will happen |
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variable |
a factor that could affect a test |
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fair test
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a test where only one variable is considered |
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controlled experiment
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a test where only one variable is changed |
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conslusion |
statement that indicates the results of the test whether or not it supports your hypothosis |
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positive relation/ positive corralation |
as x goes up so does y
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inverse relation/ negative correlation
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as x goes up y goes down
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low corelation
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little relation between variables |
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high corelation |
strong relation between variables |
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x axis is __________ variable
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independent
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y axis is __________ variable
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dependent |
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Scientific method
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question; hypothesis; plan; experiment; analyze data; * revise/ retest*; conclusion |
7 steps |
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theory
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an explanation for why certain laws and facts exist |
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fact |
a basic statement established by experiment or observation. |
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law
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a logical relationship between two or more things that is based on a variety of facts |
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belief |
a statement that is not scientifically provable |
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causation
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the action of causing something. |
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correlation doesn't always mean _________
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causation
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no correlation
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no relation |
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interpolating |
estimated points lie between measured points
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extrapolating |
estimated points lie outside measured points |
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non-linear
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curved line |
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linear |
line |
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direct relation
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positive correlation |
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inverse relation
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negative correlation |
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