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14 Cards in this Set
- Front
- Back
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science
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a process that uses observation and investigation to gain knowledge about events in nature
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Life science
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deals with living things
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earth science
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investigates earth and space
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physical science
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deals with matter and energy
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scientific method
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an organized set of investigation procedures:state the problem>gather information>form a hypothesis>test the hypothesis>analyze data>draw conclusions
Hypothesis not supported=modify hypothesis Hypothesis supported= test hypothesis several more times |
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hypothesis
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a possible explanation for a problem using what you know and what you observe
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Dependant variable
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its value changes according to the changes in the other variables
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independant variable
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the variable you change to see how it will affect the dependant variable
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constant
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a factor that doesnt change when the other variables do
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control
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the standard by wich the test results can be compared
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scientific theory
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an explanation of things or events based on knowledge gained from many observations and investigations
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scientific law
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a statement about what happens in nature that seem to be true all the time, they do NOT explain why or how something happens
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T or F? a theory can be used to explain a law?
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True
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technology
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the application of science to help people
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