click below
click below
Normal Size Small Size show me how
CHAPTER 1
Chapter 1 Chemistry cards
Question | Answer |
---|---|
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 |