CSEF · 2008
The Butterfly Effect
Mammalian Biology
Objectives/Goals The purpose of our project is to study and test the affect of body symmetry on athletic ability. Methods/Materials We measured 7th and 8th grade participants using a digital…
CSEF projects, 2002–2026
Every California Science & Engineering Fair project Fairfolio holds: 17,387 entries across 24 years, with the abstract, category and awards the fair published for each one.
CSEF coverage: available historical abstracts for 2002–2019; award-listed projects only for 2021–2025, without abstracts and with explicit labels where titles were not published, except that most 2023 winners carry the abstract from CSEF's archived public showcase; public showcase abstracts for 2026. The 2020 fair was canceled.
Years
- 2026 725 projects
- 2025 232 projects
- 2024 272 projects
- 2023 241 projects
- 2022 268 projects
- 2021 246 projects
- 2019 801 projects
- 2018 795 projects
- 2017 814 projects
- 2016 845 projects
- 2015 859 projects
- 2014 911 projects
- 2013 891 projects
- 2012 879 projects
- 2011 881 projects
- 2010 870 projects
- 2009 870 projects
- 2008 863 projects
- 2007 864 projects
- 2006 865 projects
- 2005 855 projects
- 2004 837 projects
- 2003 848 projects
- 2002 855 projects
Category breakdown
- Chemistry 979
- Physics & Astronomy 967
- Plant Biology 953
- Biochemistry/ Molecular Biology 896
- Applied Mechanics & Structures 786
- Zoology 739
- Mammalian Biology 728
- Electronics & Electromagnetics 712
- Behavioral & Social Sciences 711
- Pharmacology/ Toxicology 669
- Mathematics & Software 640
- Environmental Engineering 605
- Microbiology 573
- Materials Science (Junior Division Only) 541
- Microbiology (General) 393
- Environmental Science 361
- Aerodynamics/ Hydrodynamics (Junior Division Only) 360
- Cognitive Science (Junior Division Only) 358
- Product Science (Physical) (Junior Division Only) 343
- Behavioral Sciences 318
- Product Science (Biological) (Junior Division Only) 282
- Environmental Science (Junior Division Only) 279
- Applied Mechanics/ Structures & Mechanisms/ Manufacturing 258
- Electricity & Electronics 232
- Alternative Energy (Junior Division Only) 221
- Toxicology 211
- Aerodynamics/ Hydrodynamics 208
- Earth Sciences/ Planetary Sciences/ Physical Environments 194
- Environmental Engineering (Junior Division Only) 175
- Earth & Planetary Sciences 161
- Mathematical Sciences 138
- Computational Systems & Analysis 129
- Microbiology (Medical) (Junior Division Only) 126
- Social Sciences (Junior Division Only) 108
- Structural Capability & Strength of Materials (Junior Division Only) 90
- Energy & Power (Junior Division Only) 82
- Earth & Environment (Senior Division Only) 75
- Earth & Environmental Sciences 71
- Human Biology (Junior Division Only) 54
- Mathematics & Computer Science 54
- Product Science (Junior Division Only) 50
- Pharmacology (Senior Division Only) 48
- Earth & Atmospheric Sciences (Junior Division Only) 47
- Toxicology (Junior Division Only) 44
- Computational Science (Senior Division) 40
- Biochemistry/ Molecular Biology (Senior Division) 36
- Behavioral & Social Sciences (Senior Division) 34
- Computational Systems & Analysis (Senior Division Only) 33
- Medicine & Physiology (Senior Division) 33
- Medicine & Physiology (Track 2) (Senior Division) 33
- Applied Mechanics (Junior Division) 32
- Applied Mechanics (Senior Division) 29
- Earth & Environment: Air/ Water 29
- Earth Science (Junior Division Only) 28
- Materials Science 28
- Cognitive Science 27
- Electronics & Electromagnetics (Junior Division) 26
- Product Science 26
- Environmental Engineering (Senior Division) 24
- Medicine & Physiology (Junior Division) 24
- Environmental Engineering (Junior Division) 23
- Environmental Engineering (Track 2) (Senior Division) 23
- Physics & Astronomy (Senior Division) 22
- Earth & Environmental Sciences(Senior Division) 21
- Earth & Environment: Soil/ Pollution 21
- Environmental Engineering (Track 2) (Junior Division) 21
- Behavioral & Social Sciences (Junior Division) 20
- Chemistry (Senior Division) 20
- Earth & Environmental Sciences (Track 2) (Junior Division) 20
- Alternative Energy 19
- Earth & Environmental Sciences (Junior Division) 19
- Plant Biology (Junior Division) 19
- Electronics & Electromagnetics (Senior Division) 18
- Product Science (Junior Division) 18
- Biochemistry/ Molecular Biology (Junior Division) 17
- Chemistry (Junior Division) 17
- Plant Biology (Senior Division) 17
- Zoology (Senior Division) 17
- Zoology (Junior Division) 16
- Environmental Engineering #2 15
- Microbiology (Junior Division) 15
- Applied Mechanics Structures 14
- Physics & Astronomy (Junior Division) 14
- Applied Mechanics 13
- Computational Systems: Medical 13
- Environmental Engineering #1 13
- Environmental Engineering: Pollution 13
- Alternative Energy (Junior Division) 12
- Cognitive Science (Junior Division) 12
- Mammalian Biology (Senior Division Only) 12
- Materials Science (Junior Division) 11
- Mathematical Sciences (Junior Division) 11
- Microbiology (Senior Division) 11
- Computational Systems & Analysis #1 9
- Mathematical Sciences (Senior Division) 9
- Animal Biology 7
- Computational Systems (Medical) 7
- Earth & Environment (Air/Water) 7
- Computational Systems & Analysis #2 6
- Computational Systems: Medical #2 6
- Earth & Environment (Soil/Pollution) 6
- Product Science (Physical) 6
- Computational Systems: Medical #1 5
- Product Science (Biological) 5
- Microbiology (Medical) 4
- Earth & Environmental Sciences (Senior Division) 1
- Mammalian Biology (Senior Division) 1
Counts cover every year of this fair and use its own category labels, exactly as the source published them. Each one links to that category's CSEF projects.
Projects
17387 projects · showing 12031–12060
CSEF · 2008
The Case of the Hide and Seek Photons
Physics & Astronomy
Objectives/Goals My experiment is trying to demonstrate one of the strange phenomena of quantum mechanics; the dual wave-like or particle-like behavior that a particle (electron or photon) e…
CSEF · 2008
The Color Pattern Genetics of Polish Rabbits
Mammalian Biology
Objectives/Goals I have been raising rabbits for 2 years as a part of my 4-H breeding project. I raise Californian and Polish rabbits. This Science Fair project was a result of my interest i…
CSEF · 2008
The Correlation between Religious Maturity and Physiological Reaction Time
Behavioral & Social Sciences
Objectives/Goals Past studies show that religious maturity and various forms of human perception affect the psychological and physiological aspects of human beings. Religious maturity can af…
CSEF · 2008
The Correlation between the Aging in a Banana and the Amount of Potassium It Contains
Plant Biology
Objectives/Goals The goals were to determine at what age of the banana contains the most amounts of potassium as well as at what age of the banana contains the least amounts of potassium. Me…
CSEF · 2008
The Correlation between the Glycemic Index and the Development of Ovarian Serous Tumors of Low Malignant Potential
Biochemistry/ Molecular Biology Third Award
Objectives/Goals Question: Does the consumption of foods high on the glycemic index increase the potential of developing Low Malignant Ovarian Serous Tumors? Hypothesis: If foods consumed wi…
CSEF · 2008
The Daphnia Dilemma
Pharmacology/ Toxicology
Objectives/Goals The intent of this trial of toxicity determination was to ascertain whether a plankton called Daphnia (magna) could be used as a reliable bioassay to measure the health of a…
CSEF · 2008
The Effectiveness of Water Purification Systems on Decreasing Ion Concentration and the Level of Microorganisms
Environmental Engineering
Objectives/Goals The purpose of my project was to determine the efficiency of carbon, ceramic, reverse osmosis, and ultraviolet purification systems of water. Their performances were determi…
CSEF · 2008
The Effect of Altitude on the Detection of Cosmic Rays in a Cloud Chamber
Physics & Astronomy Honorable_mention Award
Objectives/Goals The purpose of my project was to determine whether I could detect significant differences in the quantity of cosmic rays at three different altitudes by using a diffusion cl…
CSEF · 2008
The Effect of Background Noise on Memory
Behavioral & Social Sciences
Objectives/Goals The objective of my project is to determine if background noise affects a person#s ability to memorize words. Methods/Materials Empty classroom, ten copies of the three diff…
CSEF · 2008
The Effect of Body Mass Index, Leg Length, and VO2 Max on Ergometer Scores in Males and Females
Mammalian Biology
Objectives/Goals The goal of the experiment was to be able to determine what certain body types or characters set an individual up for rowing ergometer success. Methods/Materials A consent f…
CSEF · 2008
The Effect of Breakfast Consumption on Test Results
Behavioral & Social Sciences
Objectives/Goals The effect of ingesting a morning meal was measured quantitatively on mathematic performance. While the subject matter was simple, consisting of elementary arithmetical oper…
CSEF · 2008
The Effect of Charcoal on the Germination and Growth of Corn
Plant Biology
Objectives/Goals The objective of this project is to investigate the effect of charcoal mixed in soil on the germination and growth of corn. It is hypothesized that the set of corn plants gr…
CSEF · 2008
The Effect of Cinnamon on E. coli Growth
Microbiology
Objectives/Goals The objective of this project is to test the effectiveness of cinnamon on reducing the growth of E. coli in apple juice using an amount of cinnamon which allows the apple ju…
CSEF · 2008
The Effect of CO(2) on Ambient Air Temperature
Physics & Astronomy
Objectives/Goals The objective of this experiment determine whether a container filled with CO(2) would cool at a slower rate than a container filled with ambient air when both containers we…
CSEF · 2008
The Effect of Constant Application of Different Disinfectants on the Resistance of E. coli
Microbiology
Objectives/Goals The objective of my project was to observe the effect of two applications of different disinfectants on the resistance of E. coli. Methods/Materials E. coli was plated onto…
CSEF · 2008
The Effect of Different Chemicals on the Color of Fire
Chemistry
Objectives/Goals The purpose of this project is to see how different chemical substances react with fire to produce different colored flames. Methods/Materials Materials: Safety goggles, lat…
CSEF · 2008
The Effect of Enzyme Concentration on Apple Juice Production
Biochemistry/ Molecular Biology
Objectives/Goals The goal of this project is to measure the amount of juice released when apples are exposed to different concentrations of the enzyme pectinase. The hypothesis is if a more…
CSEF · 2008
The Effect of Feeding and Temperature on Anthropluera elegantissima Growth Patterns
Zoology
Objectives/Goals The effect of temperature and feeding on the growth rate of Anthropluera elegantissima was examined. Variation in polyp growth at several temperatures and feeding regimens w…
CSEF · 2008
The Effect of Fire on the Seed Bank of Lupinus arboreus
Plant Biology
Objectives/Goals The objective of my project was to study how fire effects the seedbank of Yellow Bush Lupine (Lupinus arboreus). Yellow Bush Lupine is an invasive non-native plant found on…
CSEF · 2008
The Effect of Glucose on the Growth Hormone Secretagogue Receptor in the Pituitary Gland of Tilapia
Biochemistry/ Molecular Biology
Objectives/Goals My goal in this experiment was to test the effect of glucose on tilapia. The effect of glucose was taken into consideration because tilapia belong to a sub-species of fish c…
CSEF · 2008
The Effect of Gradient-Coated Sunglass Lenses on Yeast Growth after Exposure to UVA Rays
Microbiology
Objectives/Goals The purpose of this experiment is to find the effect of different colored gradient-coated sunglass lenses on yeast growth after exposure to UVA rays for ten minutes. The obj…
CSEF · 2008
The Effect of Gravity and Counter Ions on Hydrogen Ion Diffusion
Chemistry
Objectives/Goals This project investigates the effect of gravity and counter ions on the rate of hydrogen ion diffusion. This rate is determined by measuring the time it takes for hydrogen i…
CSEF · 2008
The Effect of Growing Medium on the Height of Paperwhite Narcissus Flowers
Plant Biology
Objectives/Goals When Paperwhite Narcissus bulbs are flowering the stem is often so tall that it can't support the flower and it falls over. My goal is to find a growing medium that makes th…
CSEF · 2008
The Effect of Microwave Radiation on Fruit Mold
Microbiology
Objectives/Goals Objective is to see whether differing amounts of time, seconds,of microwave radiation will effect growth of mold on one specific fruit; the raspberry. "Do differing time amo…
CSEF · 2008
The Effect of Multiple Intelligence Strength on School Performance
Behavioral & Social Sciences
Objectives/Goals The topic for my science fair project is #Which strength of the theory of multiple intelligences contributes to higher school performance?# My project focuses on the 9 diffe…
CSEF · 2008
The Effect of Olfactory Stimulation on Short-Term Memory
Cognitive Science (Junior Division Only)
Objectives/Goals The goal of this project is to make study time more efficient by introducing another stimulus, such as scent, during the process of memorization. The original hypothesis sta…
CSEF · 2008
The Effect of Parachute Material on Parachute Speed
Aerodynamics/ Hydrodynamics (Junior Division Only)
Objectives/Goals My project was to determine if the parachute's material would effect the speed of the parachute's descent. I believe that a parachute with a heavier material will fall faste…
CSEF · 2008
The Effect of Parasitic Worming Medication in Horse Manure on Red Worms in a Compost Setting
Pharmacology/ Toxicology
Objectives/Goals My project was to determine if horse manure containing parasitic worming medication would kill red worms in a compost setting. Methods/Materials Three samples of horse manur…
CSEF · 2008
The Effect of Perennial Ryegrass (Lolium perenne) Presence and Growth Stage on the Erodibility of a Sandy Clay Soil
Earth & Planetary Sciences
Objectives/Goals The purpose of this investigation was to evaluate the extent to which the presence and growth stage of perennial ryegrass (Lolium perenne) would affect the erodibility of a…