1999 Category Winners in
Earth Sciences/ Planetary Sciences/ Physical Environments

First Place: J0511

Kelsey, Kathy C. Grade 8, Humboldt County
What Makes a Coastal Landslide Move?
Advisor: Ms. Diana Skiles
School: Jacoby Creek Elementary School, Bayside

Second Place: J0506

Collins, Alison L. Grade 7, Humboldt County
A Tidal Effect in the Mad River
Advisor: Ms. Susan Freeman
School: Sunny Brae Middle School, Arcata

Second Place: J0506

Weeks, Jessi R. Grade 7, Humboldt County
A Tidal Effect in the Mad River
Advisor: Ms. Susan Freeman
School: Sunny Brae Middle School, Arcata

Third Place: J0501

Barron, Marlo G. Grade 7, Riverside County
Use of Deep Tillage to Enhance Leaching of Soil Salts Harmful to Crop Production in the Palo Verde Valley
Advisor: Mr. Raul Alvarado
School: Blythe Middle School, Blythe

Honorable Mention: J0502

Betts, Scott P. Grade 8, Orange County
Using a Personal Conputer to Measure the Generation of Carbon Monoxide by Home Gas Appliances
Advisor: Mr. Brad Hughes
School: Rancho San Joaquin Middle School, Irvine