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Quiz: Scientific method
1. The statement, "Osmium has a density of 22.59 g/mL, which makes it the densest element known" is an example of:
an experimental observationa hypothesis
a lawa theory
2. A natural law is
a tentative explanation for a natural phenomenon
a description of a pattern or relationship in experimental data
obeyed under any circumstances.
an explanation that has been proved
3. 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 theorya lawa datum
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.


General Chemistry Online! Quiz: Scientific method

Copyright © 1997-2010 by Fred Senese
Comments & questions to fsenese@frostburg.edu
Last Revised 02/23/18.URL: http://antoine.frostburg.edu/chem/senese/101/intro/update-scimethod-quiz.shtml