Pollution Detective Additional Information

Recommended Web sites:
For a summary of Kelydra Welcker’s 2002 DCYSC project, go to school.discovery.com/sciencefaircentral/dysc/finalists/profiles/welcker_kelydra.html (Discovery Channel).
You can learn more about APFO and PFOA at en.wikipedia.org/wiki/Aqueous_film_forming_foam(Wikipedia).
To learn more about the Discovery Channel Young Scientist Challenge, go to http://www.sciserv.org/dcysc/Index.asp (Science Service) and http://school.discovery.com/sciencefaircentral/dysc/(Discovery Channel).
Information about the Intel International Science and Engineering Fair is available at http://www.sciserv.org/isef/ (Science Service) and http://www.intel.com/education/isef/ (Intel).
For links to other Science News for Kids articles about the Discovery Channel Young Scientist Challenge and the Intel International Science and Engineering Fair, see http://www.sciencenewsforkids.org/pages/sciencefairzone/dcysc.asp.
Sohn, Emily. 2004. The buzz about mosquitoes. Science News for Kids (Aug. 11). Available at http://www.sciencenewsforkids.org/articles/20040811/Feature1.asp.

Books recommended by SearchIt!Science:

[book] Environmental Science: 49 Science Fair Projects

Robert L. Bonnet

Published by TAB Books/McGraw Hill, 1990.

How does a tree recycle itself? Can you make your own topsoil? And how can you tell if the air inside your house is polluted? You’ll find the answers to such questions as you explore the environment with these science projects. The book begins with a discussion of scientific methods, tips on competing in a science fair, and hints for choosing the right project. The topics include recycling, waste management, pest control, microorganisms, habitats, and life cycles. Each of the 49 projects contains an overview, a list of materials needed, easy-to-follow procedures, and suggestions for experimenting further. Black-and-white drawings illustrate some of the steps.

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 Power Words

endocrine system A group of glands in the body that produce substances called hormones. The thyroid, ovary, and pancreas are all glands of the endocrine system.
estrogen A hormone that controls the growth and development of the female reproductive system in female vertebrates.
hormone A chemical compound that is produced in a gland and then carried to another part of the body by the blood. Hormones control many important body activities, such as growth. Hormones act by causing and adjusting chemical reactions in the body.
steroid A type of chemical compound that is found in living things and has many actions in the body. Sex hormones, cholesterol, and bile are kinds of steroids. Some steroids are used as medicines and can be made in a laboratory.

Copyright © 2002, 2003 Houghton-Mifflin Company. All rights reserved. Used with permission.

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