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.

1236 projects · showing 781–810 CSEF — clear fair filter Cellular and Molecular Biology — clear category filter Clear all

CSEF · 2010

Cleansers vs. Bacteria: Which Will Win?

Product Science (Biological) (Junior Division Only)

Objectives/Goals Our science fair project tested to see if kitchen cleansers and hand sanitizers really kill 99.9 percent of bacteria like they claim. Methods/Materials We tested seven diffe…

CSEF · 2010

Cloudy with a Chance of Bacteria

Product Science (Biological) (Junior Division Only)

Objectives/Goals I was trying to determine which mouthwash protected your mouth from cavities the best. I tested four agents:Crest,Scope,Listerine & Hydrogen Peroxide. Methods/Materials Firs…

CSEF · 2010

Cry Baby Cry

Biochemistry/ Molecular Biology

Objectives/Goals People all over the world use onions on a daily basis and get irritated eyes in the process. I wanted to discover a format in which your eyes would not be irritated while cu…

CSEF · 2010

Enzyme Stabilization in Calcified Marine Algae

Biochemistry/ Molecular Biology Third Award

Objectives/Goals The objective is to determine whether calcareous algae protect their enzymes from heat denaturation more than non-calcified algae. Methods/Materials Four red algae were test…

CSEF · 2010

Expan-Doh!

Biochemistry/ Molecular Biology

Objectives/Goals My objective was to see if the amount of yeast used had an effect on the rise height of bread dough. I believed that using 2x the Amount of Yeast in the Recipe would cause t…

CSEF · 2010

Extracting DNA

Biochemistry/ Molecular Biology

Objectives/Goals The objective of my experiment was to find whether the dehydration process of a strawberry affected the amount of nucleic acid it contained. To do so, I had extract the nucl…

CSEF · 2010

Extracting DNA

Biochemistry/ Molecular Biology

Objectives/Goals I extracted DNA from three different foods. I weighted the DNA that I extracted from mushroom, onion and liver to see which one had the most DNA. My hypothesis was that the…

CSEF · 2010

Fermentation

Biochemistry/ Molecular Biology

Objectives/Goals The objective is to ferment a variety of fruit juices and determine their ability to produce potential alcohol. The hypothesis states: fruit juices with greater sugar conten…

CSEF · 2010

Goodbye Germs!

Product Science (Biological) (Junior Division Only)

Objectives/Goals The purpose of my project is to learn if antibacterial soap does or does not inhibit the growth of bacteria and to find if regular soap stops bacteria from growing as well.…

CSEF · 2010

Hand Sanitizers vs. Bacteria

Product Science (Biological) (Junior Division Only)

Objectives/Goals The objective of this experiment is to investigate the effectiveness of different types of hand sanitizers and their active ingredients on various types of bacteria. I hypot…

CSEF · 2010

How Clean Is Your Water?

Product Science (Biological) (Junior Division Only)

Objectives/Goals The objective of this experiment is to test which method of purifying water is the best, filtering, iodine treatment, or solar treatment. Methods/Materials The main method I…

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