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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 theorya datuma lawa hypothesis
2. A hypothesis is
a theory that has been proved
obeyed under any circumstances.
a tentative explanation for a natural phenomenon
a description of a pattern or relationship in experimental data
3. A number of people become ill after eating dinner in a restaurant. Which of the following statements is a hypothesis?
Everyone who ate oysters got sick.
People got sick whether the oysters were raw or cooked.
Bacteria in the oysters may have caused the illness.
Symptoms include nausea and dizziness
The cooks felt really bad about it.
4. 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
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General Chemistry Online! Quiz: Scientific method

Copyright © 1997-2005 by Fred Senese
Comments & questions to fsenese@frostburg.edu
Last Revised 07/25/05.URL: http://antoine.frostburg.edu/chem/senese/101/intro/scimethod-quiz.shtml