chapter 1 vocab
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resonable guess that can be tested and is based on what is based on what iknown and what is observed
a variable that is not changed in an experiment
study of living systems and how they interact
use of science to help people in some way
variable that is changed in an experiment
factor that can be changed in an experiment
involves using knoledge and thinking skills to evaluate evidence and explanations
to draw a conclusion based on observation
study of matter, which is anything that takes up space and has mass, and the study of energy, which is the ability to cause change
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