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.

1016 projects · showing 691–720 CSEF — clear fair filter Chemistry — clear category filter Clear all

CSEF · 2007

Effect of Temperature on Crystal Growth

Chemistry

Objectives/Goals This experiment examines how the rate of cooling and surrounding temperature affect crystal growth in identical saturated salt (sodium chloride) solutions. My hypothesis is…

CSEF · 2007

Elastic Plastic

Chemistry

Objectives/Goals My science fair project, titled Elastic Plastic, tests the strength of plastics made from a mixture of milk and an acid. The goal of my project was to find out which acid wi…

CSEF · 2007

Electrolysis

Chemistry

Objectives/Goals To find the variables that will allow for maximum efficiency of hydrogen production during the electrolysis of water.

CSEF · 2007

Equilibrium and Le Chatelier's Principle

Chemistry

Objectives/Goals The purpose of this experiment is to demonstrate Le Chatelier's Principle through various equilibrium equations dealing with concentration and temperature. Methods/Materials…

CSEF · 2007

Fruit Batteries: Do They Work?

Chemistry

Objectives/Goals A fruit battery works because some fruits contain citric acid. This acid participates in chemical reactions that make electrons flow, thus creating electricity. However, the…

CSEF · 2007

I'm Melting

Chemistry

Objectives/Goals The main purpose of this experiment #I#m Melting# is to find a substance that would melt ice just as fast as salt, yet at the same time not harm any vegetation or concrete.…

CSEF · 2007

One + One = Boom

Chemistry

Objectives/Goals The objective of this project was to see which soda reacts the highest and quickest shen two cinnamon mentos are added. our hypothesis is that Mountain Dew would react the h…

CSEF · 2007

Polarimetry and Hydrolysis of Sucrose

Chemistry First Award

Objectives/Goals My Project is to measure and compare the rate of Hydrolysis of Sucrose catalyzed by Hydrochloric Acid (HCl) and Invertase Enzyme using a Polarimetric Technique. Methods/Mate…

CSEF · 2007

Reaction Rates

Chemistry

Objectives/Goals The goal of my experiment was to discover if temperature effects the rate of a reaction. My hypothesis was that if temperature is raised or lowered, then the reaction rate w…

CSEF · 2007

Smoke Buster

Chemistry

Objectives/Goals My goal was to determine if vinegar (acetic acid) can eliminate smoke. Methods/Materials I used a neutralization reaction of ash by the addition of vinegar. This neutralizat…

CSEF · 2007

Sweet 'n Sour Soda Power

Chemistry Honorable_mention Award

Objectives/Goals The purpose of this experiment is to see which of several substances has the most acidity by measuring CO(2) production when mixed with baking soda. My hypothesis is that vi…

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