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Vocab Chapter 1: Exploring and Classifying Life

STUDY
PLAY
scientific methods
a series of steps followed to solve problems
variable
something in an experiment that can change
hypothesis
an explanation that can be tested
theory
an explanation of things or events based on scientific knowledge that is the result of many observations and experiments
control
the standard to which the outcome of a test is compared
law
a statement about how things work in nature that seem to be true all the time