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10 Cards in this Set
- Front
- Back
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Repetition |
When a scientist does many trials of his/her experiment to reduce error and performs his/her experiment many times. (I repeat)
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Replication |
the repetition of an experiment by other scientists to confirm findings or to ensure accuracy. (others repeat)
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Dependent Variable |
The independent variable in an experiment may cause achange in the ______. OR A factor, trait, or condition that is affected when another factor, trait or condition is changed in a scientific experiment. What we measure. (do)
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Hypothesis |
A testable prediction that will guide an investigation that was develop after considerable research. OR A prediction based on background knowledge saying what is expected to happen in an experiment; an explanation as to why something happened based on what was observed. (Inferred prediction and explanation)
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Constants |
These variables are always controlled and kept the same during each trial. A variable that doesn’t change in an experiment. (parts kept the same)
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Variable |
A factor that can cause a change in the results of an experiment. OR A quantity or condition that can be changed in an experiment. (parts)
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Independent Variable |
The variable that a scientist changes. OR The factor in an experiment that is changed by the experimenter. ( I Change)
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Valid vs. Reliable |
Reliability is a measure of the internal consistency and stability of a measuring device.Validity gives us an indication of whether the measuring device measures what it claims to.
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Constants vs. Control |
A constant is an ingredient or part of the experiment that does not change. A control is also a required ingredient, however it can change. (this change could be MANY things depending on the experiment type.
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Theory vs. law |
A scientific law something that has been proven true or correct numerous times. A scientific theory is a guess of belief that something is true but not necessarily correct but some people support it and believe it's true and real while there are others that do not.
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