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.

1751 projects · showing 1321–1350 Cellular and Molecular Biology — clear category filter Clear all

CSEF · 2010

Which Acne Cream Can Really Zap That Zit?

Product Science (Biological) (Junior Division Only)

Objectives/Goals The objective is to determine if over-the-counter acne creams or prescription acne creams are more effective at removing facial bacteria. I believe the prescription acne cre…

CSEF · 2010

Which Acne Medication Really CAN Zap That ZIT?!

Product Science (Biological) (Junior Division Only)

Objectives/Goals Which Acne Medication Really CAN Zap that Zit? Because acne is bacteria-based, the experiments in this project involved growing two types of bacteria, and observing which re…

CSEF · 2009

Bacteria: Don't Love It, but Leave It!

Product Science (Biological) (Junior Division Only)

Objectives/Goals The objective is to determine which cleaner I should use to clean my bathroom based on which would kill the most bacteria. Methods/Materials The materials included: petri di…

CSEF · 2009

Bad Breath DNA

Biochemistry/ Molecular Biology

Objectives/Goals To see which onion has the most DNA Methods/Materials onions, measuring cups, test tubes, bowls, alcohol Results Yellow Onion had the most DNA Conclusions/Discussion Hypothe…

CSEF · 2009

Bagged Lettuce: Convenience or Killer?

Product Science (Biological) (Junior Division Only)

Objectives/Goals Life today is very fast paced. To keep up with this, our world is full of modern conveniences. One popular time saver is bagged lettuce. The lettuce industry promotes their…

CSEF · 2009

Banana DNA Extraction

Biochemistry/ Molecular Biology

Objectives/Goals The objective is to determine if the banana#s DNA denatures overtime. In this experiment, the bananas are categorized into three different ripening stages: the under-ripe, r…

CSEF · 2009

Does the Fat Content in Dairy Affect Its Taste?

Product Science (Biological) (Junior Division Only) Honorable_mention Award

Objectives/Goals My goal was to determine how the fat content of whole fat, low fat, and nonfat milk and yogurt affects its taste, and how 8th graders and adults can taste the difference bet…

CSEF · 2009

Effect of Microwave Radiation on Chlorophyll

Biochemistry/ Molecular Biology

Objectives/Goals The objective of this experiment is to measure the effect of microwave radiation on the amount of chlorophyll a and chlorophyll b in spinach, lettuce, and bok choy extracts.…

CSEF · 2009

Enzymes: Nature Helpers

Biochemistry/ Molecular Biology

Objectives/Goals The purpose of my experiment is to learn about enzymes and what they do in the human body. Methods/Materials Materials 1. Apple sauce. 2.Balance for weighing the apple sauce…

CSEF · 2009

External Orange Damage

Product Science (Biological) (Junior Division Only)

Objectives/Goals The objective is to determine the critical freeze period for an orange. The goal is to identify the material that prevents an orange from freezing for the critical freeze pe…

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