1991 Category Winners in
Chemistry

First Place: J0408

Gross, Sheri L. Grade 8, Los Angeles County
How Catalysts Affect Hydrogen Peroxide
Advisor: Ms. Jody Viscum-Rehder
School: Brentwood School, Los Angeles

Second Place: J0416

Rygg, Ryan Grade 7, Marin County
How Stable is Vitamin C in Fresh Orange Juice?
Advisor: Ms. Judy Scotchmoor
School: Marin Country Day Elementary School, Corte Madera

Third Place: J0418

Springer, Samantha D. Grade 8, Riverside County
What Is the Effect of UV on Polymers?
Advisor: Mr. Robert Allbaugh
School: Vista Heights Middle School, Moreno Valley

Honorable Mention: J0411

Lee, Steve P. Grade 8, Los Angeles County
Can Charcoal Absorb Ammonia Gas Effectively?
Advisor: Ms. Elaine Miller
School: Flintridge Preparatory School, La Canada Flintridge