Scientific Method Study Guide

scientific method
a series of steps that scientists use to answer and solve problems
technology
the application of knowledge,tools,and materials to solve problems and accomplish task
data
any pieces of information acquired through experimentation
theory
a unifying explanation for a broad range of hypothesis and observation that have been supported by testing
law
a summary of many experimental results and observations;a law tells how things work
experiments
a series of steps used to test a hypothesis using carefully controlled conditions
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variable
anything that can be changed in an experiment that might affect the outcome
control
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