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.

79 projects · showing 31–60 2009 — clear year filter Cellular and Molecular Biology — clear category filter Clear all

CSEF · 2009

Got Mold?

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

Objectives/Goals In my project, I wanted to find out which kind of primer is the best to prevent mold on painted drywall and if a commercial mold prevention paint additive is an effective an…

CSEF · 2009

Got Tears? Get Milk!

Product Science (Biological) (Junior Division Only)

Objectives/Goals The purpose of this study is to understand what will be the best beverage choice when chili is consumed and creates a burning sensation within the mouth specifically milk, w…

CSEF · 2009

Hairy Situation

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

Objectives/Goals The objective of this experiment was to find out the affects Sodium Laureth Sulfate,a chemical found in common shampoos,has on hair's length,tensile strength,and overall con…

CSEF · 2009

Hand Sanitizing vs. Hand Washing

Product Science (Biological) (Junior Division Only)

Objectives/Goals The objective in doing this project is to test the effectiveness of using a hand sanitizer versus washing your hands with soap and water. Methods/Materials To carry out this…

CSEF · 2009

Healing Power: Past or Present

Product Science (Biological) (Junior Division Only)

Objectives/Goals My objective is to determine whether honey or Neosporin have a greater impact on the reduction of bacterial growth. Methods/Materials Materials: 15 petri dishes divided into…

CSEF · 2009

How Clean Is Your Countertop?

Product Science (Biological) (Junior Division Only)

Objectives/Goals My objective in this project was to find out how the five following counter tops rate against each other in terms of bacterial growth after food preparation: Quartz, Formica…

CSEF · 2009

Is Green Clean or Mean?

Product Science (Biological) (Junior Division Only)

Objectives/Goals The goal of this project was to investigate if natural environmentally friendly cleaning products are more effective and longer lasting for killing bacteria than conventiona…

CSEF · 2009

Is Saliva More than Just Spit?

Biochemistry/ Molecular Biology

Objectives/Goals The objective of this project was to determine if the pH of any common breakfast drink will stop the breaking down action of starch into maltose by the enzyme salivary amyla…

CSEF · 2009

It's Enzyme Time!

Biochemistry/ Molecular Biology

Objectives/Goals Many enzymes are essential to the vital biological processes and reactions that take place inside our body. However, enzymes catalyze reactions in very specific types of env…

CSEF · 2009

It's Not Easy Being Green

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

Objectives/Goals I predict that most people don#t know what makes and removes the green that builds up in a swimmer#s hair, because according to my research, copper creates that green and re…

CSEF · 2009

Lactase vs. Lactose

Biochemistry/ Molecular Biology

Objectives/Goals Determine if the amount of lactase has an effect on the process of breaking down sugar molecules in milk. Methods/Materials Procedural Method: 1.-3. Gather and label test tu…

CSEF · 2009

Microbe Busters

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

Objectives/Goals My objective was to find out which cleaner or disinfectant works best to inhibit the growth of bacteria from sour milk. Methods/Materials The method I used for testing was a…

CSEF · 2009

Molecular Migration of Plant Pigments

Biochemistry/ Molecular Biology

Objectives/Goals The objective of my project was to determine if some plant species with similarly colored flowers use the same pigment molecules which exhibit varying rates of migration thr…

CSEF · 2009

Peanut: The Invisible Danger

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

Objectives/Goals The objective of my science project was to find out the best cleaning product for removing peanut butter from a hard, non-porous surface. My hypothesis was that bleach (3-6%…

CSEF · 2009

Self-Medicating Plants

Biochemistry/ Molecular Biology

Objectives/Goals The objective of this project was to determine if plants would produce salicylic acid in response to stress. Methods/Materials Plants were grown for testing and stressed wit…

CSEF · 2009

The Dirt on Soap

Product Science (Biological) (Junior Division Only)

Objectives/Goals The objective of my project was to find out if antibacterial soap works more effectively at eliminating bacteria than non-antibacterial soap. Methods/Materials Using both th…

CSEF · 2009

The Effect of Mascara on Contact Lens Disinfection

Product Science (Biological) (Junior Division Only)

Objectives/Goals To determine if contact lens disinfecting solutions will work as well if mascara comes in contact with the solutions during use. To evaluate the activities of three differen…

CSEF · 2009

The Effect of pH on Lactase

Biochemistry/ Molecular Biology

Objectives/Goals The objective of this project is to determine the pH level of an environment in which lactase, an enzyme that breaks down lactose to galactose and glucose, is most active. M…

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