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Scientific Method Study Guide

scientific method
a series of steps that scientists use to answer and solve problems
the application of knowledge,tools,and materials to solve problems and accomplish task
any pieces of information acquired through experimentation
a unifying explanation for a broad range of hypothesis and observation that have been supported by testing
a summary of many experimental results and observations;a law tells how things work
a series of steps used to test a hypothesis using carefully controlled conditions
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anything that can be changed in an experiment that might affect the outcome
a standard for comparison (the group NOT tested)
controlled experiment
experiment where only one variable is tested at a time ;has a control group and one or more experimental groups
independent variable
the one variable that is changed by the scientist (what i change)
dependent variable
the variable that responds to the change made to the independent variable
controlled variables
variables that are kept the same in each experiments