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Chapter 1

TearmDefinition
Hypothesis a statement of what you think happens during an investigation
observation is something you find out about objects,events,or living things using your senses
experiment the use of scientific methods to test your hytpothesis
variable something that can change in a test r
independent variable is one that you can control
dependent variable changes when an independent variable changes. It is what get s measured . it gives you data.
control group the group that doesn't gets the special treatment
procedures are step-by-step insurrections for completing a task.
data are information from which a conclusion drawn or prediction can be made
precision is the ability to consistently repeat a me asurement
accuracy the ability to make a measurement that is close to the actual value as possible
inference is an conclusion based on an observations
evidence are observation that make you believe some thing is true
model to learn more about the world to test or designs other things
surveys question that are answered by people. Great for opinion question
sampling examining random individuals from a population
experiential group the group that gets the special treatment
Created by: brittan-dalberg