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chapter 1

hypothesis statement of what you think will happen during an investigation
observation something you find out about objects ,events, or living things by using your senses
experiment is the use of scienctific methods to test your hypothesis
variable is something that can change in a test
control group the group that doesent get the special tretmentstander
procedures are step-by-step instuctions for completing a task
modles objects or ideas thet represent other things
surveys questions that are answered by people.great for appenon questions
sampling exsamon ramdon idividuals from a population
independent varible a varible that you can change
dependent varible it is what is measured.it changes when the independent varible changes
experimental group the group that does gets the special treatment
data are informatoin from witch a conclusion can be drawen orma prediction can be made
precision is the ablity to consistently repeat a measurment
accuracy is the ablity to make a measurement that is as close to the actual value as possible
inferance is a conclusion based on observation
evidence are observations that make you believe that is something is true
Created by: kailee-boggs