Chemistry: Molecular Approach (4th Edition)

Published by Pearson
ISBN 10: 0134112830
ISBN 13: 978-0-13411-283-1

Chapter 1 - Exercises - Page 42: 149


a. law; b. theory; c. observation; d. law

Work Step by Step

a. This used to be a past observation that eventually led to the prediction of the tides after every day; therefore, this is a law. b. This has been observed and a hypothesis has been established; therefore, this is a model of nature and a theory. c. This is simply an observation. d. A hypothesis was established about tides which led to the prediction of tides; therefore, this is a law.
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