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Chapter 1

Science

TermDefinition
hypothesis a statement of what you think will 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 you can change in a test
control group a standard against which change is measured
procedures step by step instructions for completing a task
data information from which a conclusion can be drwn or a prediction can be made
precision the ability to constantly repeat a measurement
accuracy the ability to make a measurement that is close to the actual value as possible
inference a conclusion based on a observations
evidence observations that make you believe something is true
models objects or ideas that represent other things
surveys questions that are answered by people. Great for opinion questions
sampling examining random individuals from a population
independent variable the variable that is changed by the scientist; the "I control variable"
dependent variable what is being measured; it changes when the independent variable changes
experimental group the test group that gets the special treatment
Created by: AnnaDevine
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