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Chap 1 Intro Chem

Chemistry the science concerned with the composition of matter and the changes that matter undergoes.
Experiment a method of testing a hypothesis
Hypothesis a proposed explanation for what is observed
Macroscopic describes the world of objects that are large enough to see with the unaided eye
Matter anything that has mass and takes up space
Manipulated Variable variable that one changes during an experiment
Responding Variable variable that is observed during an experiment; also called a dependent variable
Scientific Law describes many observations and experiments but does not explain them
Scientific Method a logical approach to the solution of problems
Theory a well tested explanation for a broad set of observations; can change over time with new observations or experiments
Microscopic describes an object that can be seen only under magnification
Created by: annericson