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Chapter 9: 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 2: Chemical Interactions

How Things Work
A site maintained by A. Bloomfield, the author of "How Things Work: the Physics of Everyday Life." Students can read old questions or ask Bloomfield their own. As a group, formulate a question for Bloomfield and ask it.

The Particle Adventure Home Page
An in-depth description of particles; includes a QuickTime movie and various links to a variety of nuclear subjects. Go through the adventure and write a journal entry about your experiences.

Chemical Bonds
Visit this site to read a brief description of the various types of chemical bonding. Scroll down to read about covalent bonds. What type of covalent bond is formed when three pairs of electrons are shared?

Chemical Bonds
Go to this site to read about chemical bonds and the formation of compounds. Scroll down to read about ionic bonding. Click on a simulation of the NaCl reaction. What happens to the sodium atom in this reaction?

The Periodic Table
Go to this site by the Los Alamos National Laboratory to see an interactive periodic table. Click on any element in the table to learn more about that element. For example, click on copper. What is the element copper used for?

Chemical Reactions at CHEM4KIDS
Visit the CHEM4KIDS web site and click on "Reactions" to learn more about chemical reactions.