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QuizScientific method
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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 lawa hypothesisa theorya datum
2. A number of people become ill after eating dinner in a restaurant. Which of the following statements is a hypothesis?
Bacteria in the oysters may have caused the illness.
People got sick whether the oysters were raw or cooked.
Symptoms include nausea and dizziness
The cooks felt really bad about it.
Everyone who ate oysters got sick.
3. 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 takes less time to cook in Baltimore than in Denver.
An egg cooks in 17 minutes at sea level.
4. A hypothesis is
a tentative explanation for a natural phenomenon
a theory that has been proved
a description of a pattern or relationship in experimental data
obeyed under any circumstances.
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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