CSEF · 2013
Vermicomposting
Environmental Science
Objectives/Goals In this generation, more people are trying to raise awareness to the three R#s: Reduce, Reuse, and Recycle. Humans create abundant amount of waste every day and have no othe…
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 7831–7860
CSEF · 2013
Viscosity Challenge: Milk, Oil, or Pancake Syrup?
Aerodynamics/ Hydrodynamics (Junior Division Only) Honorable_mention Award
Objectives/Goals The purpose of this project was to find which one of the liquids (milk,oil, or pancake syrup) has the highest viscosity. Methods/Materials I will be testing the viscosity of…
CSEF · 2013
Visual and Photometric Classification of a Sample of Low to Intermediate Redshift Galaxies in the COSMOS Field
Physics & Astronomy
Objectives/Goals Morphological types of galaxies are one of the most fundamental properties of galaxies, and yet it is still not completely understood why such diversity exists. This experim…
CSEF · 2013
Visualizing the Invisible: At Home with a Schlieren Camera
Physics & Astronomy Honorable_mention Award
Objectives/Goals Energy is being produced from many household objects in the form of heat. This heat is invisible to the human eye and goes unnoticed. Visualizing heat would help us apprecia…
CSEF · 2013
Vitamin C in Vegetables: How Healthy Are Your Veggies?
Biochemistry/ Molecular Biology
Objectives/Goals The purpose of this project was to see the effect of different cooking methods on the amount of Vitamin C in a vegetable. Methods/Materials First I made a starch solution us…
CSEF · 2013
Vitamin D Deficiency and Obesity
Mammalian Biology
Objectives/Goals In recent studies, scientists have inferred to an inverse correlation between Vitamin D Deficiency and Obesity. The goal of this project is to recreate and reaffirm this hyp…
CSEF · 2013
Vitamins as Antioxidants
Plant Biology
Objectives/Goals The goal of this experiment is to determine which vitamin (A, C, or E) has the strongest antioxidant activity. Methods/Materials Solutions of each vitamin (A, C, E) were mix…
CSEF · 2013
Viva La Coffee! The Effects of Various Coffee Bean Roasts on the Heart Rate and Longevity of Daphnia magna
Pharmacology/ Toxicology Third Award
Objectives/Goals An objective of my science project was to determine whether the consumption of various coffee bean roasts would affect the lifespan of Daphnia magna. In addition, I tested t…
CSEF · 2013
Volcanic Ash: The Beginning or the End? The Study of Volcanic Ash and Its Effects on Plant Germination
Plant Biology
Objectives/Goals The purpose of this project was to determine what effects differing amounts of ash mixed with soil would have on the germination and growth or radishes, green beans, and pea…
CSEF · 2013
Warm It Up! Grass or Fruit Cup? Do Grass Clippings or Fruit and Vegetable Waste Create More Heat Energy in a Compost?
Environmental Engineering (Junior Division Only)
Objectives/Goals The purpose of this experiment was to see if grass clippings or fruits and vegetables create more heat in a compost pile. When I was in 5th grade, we had a compost bin at sc…
CSEF · 2013
Waste Not, Want Not: Reducing Aquifer Depletion through Increased Recycled Water Consumption (Year 2)
Microbiology (General)
Objectives/Goals In the Coachella Valley, the golf industry consumes an enormous amount of water. Golf courses need to have well-manicured, visually pleasing water features, which also acts…
CSEF · 2013
Waste to Energy: Converting Cellulosic Waste into Fermentable Sugars for Bioethanol Production
Biochemistry/ Molecular Biology
Objectives/Goals To efficiently reclaim 20%-25% of the mass of the feedstock in glucose, when pretreatment methods are not incorporated. Then to efficiently reclaim 50-55% of the mass of the…
CSEF · 2013
Water B Gone
Aerodynamics/ Hydrodynamics (Junior Division Only)
Objectives/Goals My project objective was to figure out which way you could empty a bowl in the most effective way by spraying water into the bowl. (For example, you can spray water into a w…
CSEF · 2013
Water Purification by Photoactivated Degussa P25 Nanoparticles to Eliminate Chemical and Microbiological Impurities
Environmental Science First Award
Objectives/Goals Globally one billion people lack clean drinking water. 3.4 million people die from water borne illnesses each year, making it the leading cause of death in the world. The pu…
CSEF · 2013
Water Wonder
Plant Biology
Objectives/Goals Within this project, I wanted learn how Smart Water, Refreshe, and tap water affect plant growth. Methods/Materials 1. Soil- I filled each planter to the brim. 2. 27 radish…
CSEF · 2013
Water World: How Does Water Quality Affect Living Organisms in the Arroyo Seco Drainage Basin?
Environmental Science
Objectives/Goals This project was researched to unravel the secret of how water quality affects living organisms. The objective of this research project was to emphasize how water quality is…
CSEF · 2013
Watt Phantoms Are Lurking in Your Home?
Electronics & Electromagnetics
Objectives/Goals The objective of this project was to determine if electronic devices take up energy in standby mode and if so, how much energy is being wasted. Methods/Materials A KillAWatt…
CSEF · 2013
Watts Up with Solar Energy?
Alternative Energy (Junior Division Only)
Objectives/Goals The objective of my project was to determine whether placing a solar panel under an "aqua lens" (a magnifying glass constructed of hot water poured on plastic) at different…
CSEF · 2013
Weight-Bearing or Not Weight-Bearing?
Mammalian Biology
Objectives/Goals This project is designed to determine if a weight bearing device can be used in a regular MRI machine to mimic or resemble the effect of gravity on spinal anatomy as seen in…
CSEF · 2013
Weighty Matters: Risk Factors for Obesity in Children and Adults
Mammalian Biology
Objectives/Goals This project will determine the risk factors for obesity in children and adults. The risk factors I will examine are lifestyle factors such as eating habits, physical activi…
CSEF · 2013
We're Jammin': Using the Jamming Principle to Construct a Universal Gripper
Applied Mechanics & Structures Second Award
Objectives/Goals My goal is to construct a universal gripper based on a flexible membrane (balloon) filled with a granular substance (e.g. coffee grounds) that is capable of picking up and h…
CSEF · 2013
What Are the Differences in Bullet Velocity and Penetration on Different Barrel Lengths of Guns?
Applied Mechanics & Structures Honorable_mention Award
Objectives/Goals My project was used to determine if barrel length affects bullet velocity and penetration. I believe that the gun with the longest barrel will have the highest rate of veloc…
CSEF · 2013
What Are the Effects of Petroleum Oil on Plant Life?
Environmental Science
Objectives/Goals Objectives and goals for this project were to investigate and fin the effects that petroleum oil have on plant life. Methods/Materials In this investigation 4 Antirrhinum Ma…
CSEF · 2013
What Building Materials Are Most Affected by Acid Rain Corrosion?
Materials Science (Junior Division Only)
Objectives/Goals The objective is to determine which building material will be most resistant to corrosion from exposure to acetic acid, an acid similar in pH to acid rain. The experiment sa…
CSEF · 2013
What Color Is the Candy ?
Product Science (Physical) (Junior Division Only)
Objectives/Goals Problem The purpose of this experiment was to see if different candy companies use the same food dyes to color their candies. Methods/Materials Method Label 6 Beakers and th…
CSEF · 2013
What Effect Do Different Fertilizers Have on the Vitamin C Content of Steamed Vegetables?
Plant Biology
Objectives/Goals The purpose of my science project is to determine what effect different fertilizers have on the vitamin C content of steamed vegetables. The reason I am doing this investiga…
CSEF · 2013
What If We Were Wrong? Security Algorithms' Sensitivity to Noise in Terms of Defender Expected Utility
Mathematics & Software
Objectives/Goals In security games, defenders allocate resources then the attacker attacks as to maximize utility. However in a given security game, if the matrix changes and a target is wor…
CSEF · 2013
What Is Organic Gardening? The Effects of Natural Fertilizers and Pesticides on Plants
Plant Biology
Objectives/Goals Through this experiment, it is my mission to determine whether or not I will be able to successfully create a suburban home garden without the use of harsh pesticides and fe…
CSEF · 2013
What Is the Best Way of Protection that Prevents the Fruits in a Refrigerator from Withering?
Plant Biology Honorable_mention Award
Objectives/Goals My objective was to decide which of the protective materials is more effective at preventing the over-ripening of tomatoes. Methods/Materials 27 tomatoes were divided into 3…
CSEF · 2013
What Is the Effect of MLG-50 Plus in Chickens at the Onset of Lay, Egg Weight, and Weight Gain?
Zoology Honorable_mention Award
Objectives/Goals My project objective was to determine if feeding chickens natural organic minerals combined with beneficial probiotics would promote a healthy intenstinal environment that w…