1993 Category Winners in
Earth Sciences/ Planetary Sciences/ Physical Environments

First Place: S0602

Cristal, Sarah Grade 9, San Diego County
Temperature Variations in San Diego: A 50-Year Time Course
Advisor: Mr. Timothy Towler
School: Gompers (Samuel) Secondary School, San Diego

Second Place: S0609

Proust, Lauren E. Grade 9, Humboldt County
Effect of Fault Propagation on Marine Sands
Advisor: Mr. Gary Carver
School: McKinleyville High School, McKinleyville

Third Place: S0604

Elavia, Delna A. Grade 10, Orange County
The Impact of Climatic Gyrations Which Contributed to the Evolution of Foraminifera
Advisor: Mr. Michael Nakaue
School: Woodbridge High School, Irvine

Honorable Mention: S0610

Rubino, Michael V. Grade 11, Los Angeles County
The Effects of Solar Activity on the Ionosphere's Ability to Reflect Radio Waves
Advisor: Mrs. Margery Lee Weitkamp
School: Chaminade College Preparatory, West Hills