1992 Category Winners in
Earth Sciences

First Place: S0609

Wright, Wendelin J. Grade 10, Los Angeles County
Delineating Wetlands
Advisor: Mrs. Margery Lee Weitkamp
School: Chaminade College Preparatory, West Hills

Second Place: S0604

Larson, Julie A. Grade 10, Ventura County
Changes in the Refraction Properties of the Ionosphere as a Function of Solar Activity
Advisor: Ms. Helen Kota
School: Westlake High School, Westlake Village

Third Place: S0610

Yuan, Sharon H. Grade 10, Ventura County
An Analysis of Biochemical Oxygen Demand (BOD) for Local Lakes
Advisor: Ms. Helen Kota
School: Westlake High School, Westlake Village

Honorable Mention: S0602

Fetcho, Judith A. Grade 9, San Luis Obispo County
The Composition of the Sediments of Morro Bay
Advisor: Mr. Mike Tomac
School: Morro Bay High School, Morro Bay