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Chapter 1 Chemistry cards

What is scientific method? A method of research in which a problem is identified, relevant data are gathered, a hypothesis is formulated from these data, and the hypothesis is empirically tested.
What is a hypothesis? An educated guess of what the outcome of an experiment will be.
What is an independent variable? Is the variable that stays constant throughout the experiment.
What is a dependent variable? The variable being tested in the experiment.
What is the experimental control? To test or verify a scientific experiment by a parallel experiment or other standard of comparison.
What is density? mass per unit volume
What is the percent error? the amount of error in an experiment
What are significant figures? all the nonzero digits of a number and the zeros that are included between them or that are final zeros and signify accuracy
Created by: shorstopman07