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Chapter 3: Solutions

Acids and Bases: Friend or Foe
This paper, written by Mark Jackson, describes several household and commercial uses for acids and bases. Scroll down to Table 1 on the first page. What products are made using acids? Which acid is produced most often in the United States?

FDA - Alpha Hydroxy Acids in Cosmetics
Alpha Hydroxy Acids (AHAs) are used in many cosmetic products. What types of acids are included in the list of AHAs? What concerns does the FDA have about using AHAs in cosmetic products?

Acid Rain - U.S. Environmental Protection Agency
The U.S. Environmental Protection Agency is responsible for monitoring issues related to the environment, including acid rain. Read the information on this site to learn more about acid rain. What are the primary causes of acid rain?

Acid Rain
Acid rain is not just a problem in the United States. Read this Environment Canada fact sheet on acid rain. How much economic damage does acid rain cause every year in Canada?

Unit 1: The Nature of Matter

CHEM 4 KIDS
Visit this chemistry web site to learn more about the states of matter. What is the difference between a physical and a chemical force? Which of these types of forces can change states of matter?

Diving into Math and Science
Learn about transverse waves at this site. Do the practice questions to check your understanding.

University of Cincinnati: Department of Physics
At this site you can view animated illustrations of how images are formed by spherical mirrors.

Brigham Young University
Go to this web site and view a demonstration of the refraction of light. What happens to light waves that enter water from the air? What if the second medium is glycerine instead of water?