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Which Shape Is the Most Truss-worthy?
Advisor: Mr. Bruce Jennings
School: Cajon Park School, Santee, San Diego County
Quantifying the Effects of Temperature and Relative Humidity on Violin Pitch
Advisor: Mrs. Roxanne Hunker
School: Rhoades (The) School, Encinitas, San Diego County
The Effect of Slope Angle and Foundation Depth on Building Stability
Advisor: Ms. Rhonda Germano
School: Our Lady of Perpetual Help School, Bakersfield, Kern County
Howe vs. Pratt
Advisor: Mrs. Cynthia Vodraska
School: Sequoia Middle School, Newbury Park, Ventura County
Beware Ye Minifigures
Advisor: Ms. Alicia Payton
School: Hillview Middle School, Menlo Park, San Mateo County
Leveraging Light: A Method for Measuring Minute Masses
Advisor: Mr. Chandan Egbert
School: Milpitas Christian School, San Jose, Santa Clara County
Wood or Aluminum: Which Baseball Bat Hits the Ball the Furthest?
Advisor: Miss Carrie Given
School: Sanger Academy Charter School, Sanger, Fresno County
Shake, Rattle, and Fold
Advisor: Mrs. Carolyn Bell
School: Sitting Bull Middle School, Apple Valley, San Bernardino County
Effect of Trebuchet Arm Length or Counterweight Mass on Projectile Distance
Advisor: Ms. Marilyn Garza
School: Santa Barbara Junior High School, Santa Barbara, Santa Barbara County
You Should Have Seen the One that Got Away
Advisor: Miss Carrie Given
School: Sanger Academy Charter School, Sanger, Fresno County
What Bridge Design Is Strongest?
Advisor: Ms. Daphne Zeringue
School: City Tree Christian School, San Diego, San Diego County
How Deep vs. How Steep: Experiment on Soil Stability of Steep Slopes for Building Foundations
Advisor: Mrs. Deborah Trimble
School: St. Charles School, San Carlos, San Mateo County
Dylan Z. Zhang, Grade 6
Volcanic Particle's Effect on Airplane Engines: Ash vs. Engine
Advisor: Dr. Ha Le, Ms. Linh Pham
School: Old Orchard School, Campbell, Santa Clara County
The Effect of Heat Transfer on the Resiliency of a Golf Ball
Advisor: Mr. Hoss McNutt
School: Jim Maples Academy, Porterville, Tulare County
Building Buildings Better. Which Design Does Better in an Earthquake: Tuned Mass Damper or Base Isolator?
Advisor: Mrs. Mary Pettitt
School: St. Adelaide School, Highland, San Bernardino County
How Does Tire Pressure Affect Gas Mileage?
Advisor: <none acknowledged>
School: La Colina Junior High School, Santa Barbara, Santa Barbara County
Smooth or Fractured Aggregate: Which Will Make a Stronger Concrete Mix?
Advisor: Ms. Marilyn Reed
School: Nazareth School, San Diego, San Diego County
Will It Stand? What Specific Features Make a Structure Stronger?
Advisor: Mrs. Deborah Trimble
School: St. Charles School, San Carlos, San Mateo County
Which Bridge Design Is the Strongest: Arch, Truss, or Suspension?
Advisor: Ms. Julie Reynolds
School: San Diego (Soille) Hebrew Day School, San Diego, San Diego County
Shelby L. Smalley, Grade 8
Going the Distance: Launch Angles and Projectile Trajectory
Advisor: Mrs. Hillary Cloud
School: Hallmark Charter School, Sanger, Fresno County
Feeding My Flock
Advisor: Mrs. Susan Johnston
School: Livermore Valley Charter School, Livermore, Alameda County
The Perfect Trebuchet: Effects of Arm Length and Counterweight on the Projectile Distance
Advisor: Mrs. Jelica Campos
School: St. Bonaventure Catholic School, Huntington Beach, Orange County
Using Simple Models to Predict the Effects of Gravity on Projectiles: Discovery of a Synergistic Effect of Two Variables
Advisor: Ms. Debbie Culley
School: Santa Fe Christian Community School, Solana Beach, San Diego County
The Distance a Trebuchet Catapult Can Throw Projectiles of Different Masses: A Study in Energy Transfer
Advisor: Ms. Misty Sodulsky
School: Tevis Junior High School, Bakersfield, Kern County
The Survivability of High Rise Structures in Earthquakes
Advisor: Dr. Deborah Dunn
School: Mesa Union Junior High School, Somis, Ventura County
Castles Made of Sand: Comparing the Strength of Sandcastle Walls Made from Caribbean Sand
Advisor: Mrs. Jennifer King
School: Chaparral Middle School, Moorpark, Ventura County
Machines in Your Motions
Advisor: <none acknowledged>
School: La Colina Junior High School, Santa Barbara, Santa Barbara County
What Is the Optimal Release Angle for Shooting a Free Throw?
Advisor: Mr. Kevin Lane
School: Pacific Union School, Arcata, Humboldt County
Does the Length of the Arm of a Catapult Affect the Distance of an Object Thrown?
Advisor: Mrs. Terry Lucera
School: Sierra Canyon Middle School, Chatsworth, Los Angeles County
Under Pressure: Which Bridge Holds the Most Weight with the Least Flex?
Advisor: Ms. Paula Borstel
School: Miraleste Intermediate School, Rancho Palos Verdes, Los Angeles County
Does the Circumference of a Ball Affect the Power, Work, and Distance of a Ball Fired from a Trebuchet?
Advisor: Mrs. Ana Williams
School: Standard Middle School, Bakersfield, Kern County
Creating a GVS: Gyroscope-based Water Vessel Stabilizer
Advisor: Mr. Simon Zarrin
School: Redwood Middle School, Saratoga, Santa Clara County