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Quiz: Scientific method
1. The statement, "A chemical reaction never creates products that weigh more or less than the reactants", is based on three centuries of experimental observation. The statement is an example of:
a hypothesisa lawa datuma theory
2. A hypothesis is
a theory that has been proved
a tentative explanation for a natural phenomenon
obeyed under any circumstances.
a description of a pattern or relationship in experimental data
3. A natural law is
a description of a pattern or relationship in experimental data
obeyed under any circumstances.
a tentative explanation for a natural phenomenon
an explanation that has been proved
4. Which of the following statements is a law?
An egg cooked for 27 minutes in Baltimore was badly overcooked.
Higher altitude means lower boiling points for water, all other things held equal.
An egg cooks in 17 minutes at sea level.
An egg takes less time to cook in Baltimore than in Denver.
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General Chemistry Online! Quiz: Scientific method

Copyright © 1997-2005 by Fred Senese
Comments & questions to fsenese@frostburg.edu
Last Revised 12/14/21.URL: http://antoine.frostburg.edu/chem/senese/101/intro/scimethod-quiz.shtml