Foundation 7th Edition by Steven S. Zumdahl
,Chapter 01 - Chemistry: An Introduction
1. Define the following terms:
a. scientific method
b. natural law
c. hypothesis
d. theory
ANS:
a. Scientific method - the process or steps of scientific inquiry.
b. Natural law - a statement describing observed behavior.
c. Hypothesis - a possible explanation for an observation.
d. Theory - a set of testsed hypotheses that gives an explanation for some behavior or
observation (also called a model).
PTS: 1 DIF: easy TOP: general concepts | scientific method KEY: hypothesis | theory MSC:
general chemistry
, 2. Which of the following is not a step in the scientific method?
a. Make an observation.
b. Formulate a hypothesis.
c. Perform an experiment.
d. Change results to agree with your hypothesis.
e. Develop a theory (or model).
ANS: D PTS: 1 DIF: easy TOP: general concepts | scientific method MSC:
general chemistry
3. A __________ is a summary of observed behavior, and a __________ is an explanation
of
behavior.
a. law, measurement
b. theory, scientific method
c. theory, law
d. law, theory
e. hypothesis, theory
ANS: D PTS: 1 DIF: easy
, TOP: general concepts | scientific method KEY: theory | law
MSC: general chemistry
Define the following terms:
a. science
b. chemistry
ANS:
a. Science - a framework for gaining and organizing knowledge. It is a procedure
for processing and understanding certain information.
b. Chemistry - the science that deals with the matter of the universe and the changes
it can undergo.
PTS: 1 DIF: easy TOP: general concepts | definition of chemistry MSC: general chemistry