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Chapter 1 science

Science5 class: Mr. Hale

hypothesis a statement of what you think will happen during an investigation
observation something you find out by using your senses
experiment using scientific methods to test your hypothesis
variable something that you can change in a test
independent variable a variable you can change
dependent variable a variable that changes when the independent variable changes; it is what gets measured; it is your data
control group the group that doesn't get the special treatment
procedures step-by-step instructions for completing a task
data information from which conclusions or predictions can be made
precision the ability to repeatedly get the same result
accuracy the ability to make a measurement that is as close to the actual value as possible
inference a conclusion based on observations
evidence observations that make you believe that something is true
model objects or ideas that represent other things
survey questions that are answered by people, great for opinion questions
sampling examining random individuals from a population
experimental group the group that gets the special treatment
Created by: nathan-wheeler