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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?
The cooks felt really bad about it.
Symptoms include nausea and dizziness
People got sick whether the oysters were raw or cooked.
Everyone who ate oysters got sick.
Bacteria in the oysters may have caused the illness.
3. The statement, "Osmium has a density of 22.59 g/mL, which makes it the densest element known" is an example of:
a lawan experimental observation
a theorya hypothesis
4. Which of the following statements is a law?
An egg cooks in 17 minutes at sea level.
An egg cooked for 27 minutes in Baltimore was badly overcooked.
An egg takes less time to cook in Baltimore than in Denver.
Higher altitude means lower boiling points for water, all other things held equal.
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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