Search past science fair projects

38,465 real projects from ISEF, the Canada-Wide Science Fair, JSHS, AJAS, the Calgary Youth Science Fair and the California Science & Engineering Fair — searchable by meaning, and filterable by fair, year, category and award.

870 projects · showing 541–570 2009 — clear year filter Clear all

CSEF · 2009

Ratchet Up the Efficiency

Energy & Power (Junior Division Only)

Objectives/Goals Question: By decreasing the distance traveled and therefore decreasing the input force, can I make a more efficient human power generation machine? Hypothesis: By using a ra…

CSEF · 2009

Reduced Irrigation Affects Citrus Fruit Size

Plant Biology First Award

Objectives/Goals A field experiment on 12 four year old Minneola citrus trees was conducted using a completely randomized experimental design. The experiment compared the farmer's practice o…

CSEF · 2009

Reflecting on Renewable Energy

Energy & Power (Junior Division Only)

Objectives/Goals The goal of this project was to discover if the use of reflective materials would increase the output of a solar panel. Methods/Materials In my experiment, I used a variety…

CSEF · 2009

Reflections on Reflection

Physics & Astronomy Honorable_mention Award

Objectives/Goals The purpose of this year#s science project, Reflections on Reflection, was to attempt to develop a cost effective method of concentrating light onto a photovoltaic solar pan…

CSEF · 2009

Regeneration in Earthworms

Zoology Honorable_mention Award

Objectives/Goals The objective of regeneration in earthworms is to find out whether specific severed segments will affect the different regenerative processes in either half of the worm, and…

CSEF · 2009

Remember to Chew: Chew to Remember

Cognitive Science (Junior Division Only) First Award

Objectives/Goals The purpose of this experiment was to test if chewing gum helps improve memory. Methods/Materials To test this, approximately 70 to 80 middle-school students (6th, 7th, or 8…

CSEF · 2009

Resveratrol and Aging

Pharmacology (Senior Division Only)

Objectives/Goals The objective of my project was to determine the effects (if any) of resveratrol, an antioxidant found in the skin of red grapes, on the longevity of fruit flies (Drosophila…

CSEF · 2009

Robotic Hexapod

Applied Mechanics & Structures

Objectives/Goals My objective was to determine which hexapod design would allow for the best performance. Specifically, how the leg design and different servos affected the speed under diffe…

CSEF · 2009

Rooftop Gardens: Are They a Cool Idea?

Environmental Engineering (Junior Division Only)

Objectives/Goals Rooftop Gardens (living or green roof) are an environmentally friendly option that provides many advantages: i)creates space for agriculture, ii)adds beauty to the landscape…

CSEF · 2009

Rosin vs. No Rosin: The Big Showdown

Materials Science (Junior Division Only)

Objectives/Goals Horsehair with rosin will be the best materials to use on the bow to produce the clearest and most solid sound on the violin. Methods/Materials Using an inexpensive bow, pla…

CSEF · 2009

Rotating into the Future of Flight

Aerodynamics/ Hydrodynamics (Junior Division Only) Honorable_mention Award

Objectives/Goals The purpose of my project is to demonstrate that a coaxial contra-rotating proprotor can outperform a single proprotor used on current rotor aircraft today. History, designs…

CSEF · 2009

Ruben's Tube

Physics & Astronomy

Objectives/Goals If the smaller the holes on top of the tube would it differ from the size of the flames and the volume? If I drilled the holes 1/2inch from each other, then how about if I d…

CSEF · 2009

Safe or Sorry?

Toxicology (Junior Division Only)

Objectives/Goals My project was to determine which substance of toxic and non-toxic weed killers would work the fastest, be the cheapest, and stop regrowth on a flat 10# x 40# rectangle of w…

CSEF · 2009

Scents of Direction

Zoology Fourth Award

Objectives/Goals Our underlying goal of the entire project was to find a non-toxic, environmentally safe, pheromone based ant repellent. Methods/Materials We tested for the existence of each…

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