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chapter 1

TermDefinition
hypothesis is a stament of what you think will happen during an investigation
observation is something you find out about object events,or living things by using your senses
experiment is the use og scientifi method to test your hypothesis
variable is something that can change the test
control group the group doesn't get the special stuff
procedures are step-by-step instructions for completing
serveys question that are answer by people
models object or ideas represent other things
sampling exmaine radom people from a pop.
indepdent variable a variable that you can change
dependent variable it is what is measured. it changes when the independent changes.
exermental does get the special treatment
precision is a abilty to consistently
accuracy is the ability to make a measurment
inference is a conclusion based on obersvation
data are information from which a conclusion
evidence are observations that make you testable
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