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5 science

chapter 1

hypothesis educated guess that answers a question goes in the form if,then,because
observation just taking note of your surroundings
experiment the use of scientific methods to test a hypothesis
variable something that can change in a test
control group a standard against which change is measured
procedures step by step instructions for completing a task
independent variable thing you can change example- amount of fertilizer i used?
dependent variable thing you are observing example- amount corn grows
controlled variable things you keep THE SAME example- amount of sunlight water,etc.
model object (idea) that represents data example- structure of an atom
survey questionnaires given to people whose answer are recorded and analyzed
sampling examining individuals to collect data
Created by: KatieM23