Science Voyages Green Grade 7
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Chapter 22: Solutions
P.192
Internet Connection
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?

P.195
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 6: Chemical Interactions
p.545
Internet ConnectionNational Geographic

Electrical Safety Web
Visit this site provided by the National Electrical Safety Foundation. Take the safety quiz and learn more about how to make your home safe from electrical hazards.

Electricity: A Convenient form of Energy
Follow the link to this site for more information about electricity. In your Science Journal, list the characteristics of electricity that make it a useful form of energy.

Earth & Sky Program List for 1998
At this site you can listen to a radio show about magnetism. Click on the link for Sunday, November 15, 1998 to find the program.

What is a Magnet?
Access this site for more information about magnets and how they are used. What is the difference between a permanent and a temporary magnet? How is an electromagnet created?

 

 
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Science Voyages Green Grade 7