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chapter 1

TermDefinition
hypothesis a 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 the use of scientific methods to test your hypothesis
variable something that can change in a test
control group the group that does not receive the special treatment
procedures step-by-step instructions for completing tasks
data information from which a conclusion can be drawn or a prediction can be made
precision the ability to consistently repeat a measurement
accuracy the ability to make a measurement as close to its actual value as possible
inference a conclusion based on observations
evidence observations that make you believe something is true
independent variable one you can control
dependent variable changes when an independent variable changes,it is what gets measured and gives you data
hypothesis in a form of if, then, because
models objects or ideas that represent other things
survey questions that are answered by people (great for opinions)
sampling examining random individuals from an population
experimental group the group that gets the special treatment
Created by: ethan-ferzandi
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