Food Preservation
Science Fair Projects
Ideas and Sample Projects by Grade Level

Home Experiments Science Jokes Warning!
Primary School - Grades K-3
P=Project   E=Experiment
Elementary School - Grades 4-6
P=Project   E=Experiment
Can Aloe Juice Save Your Berries from Mold? [E]
How does preservation method affect the storage of lettuce? [P]
Investigate which liquid will keep sliced apples looking the freshest. [E]
The Effect of Various Milk Pasteurization Temperatures on Bacteria Growth [P]
The Effectiveness of Various Preservatives on the Color of Applesauce [P]
Determine if absorbent materials could help preserve produce. [E]
Do preservatives prevent mold from growing on store bought bread much more than on home made bread? [P]
Find out if letting cookie dough sit in the refrigerator for 48 hours before baking it makes cookies taste better. [E]
Food Safety Science Fair Projects and Experiments
Middle School - Grades 7-9
P=Project   E=Experiment
What Sort of Fruit Bag Preserves Fruit the Longest? [E]
Prolonging Shelf Life of Produce: A New Potassium Permanganate Product to Oxidize Ethylene [E]
Determine whether natural preservatives such as Rosemary, Grapefruit Seed extract, honey, and Tea Tree oil are as effective in comparison to parabens such as methylparaben. [P] [P]
Which Household Product Will Preserve a Carved Pumpkin from Developing Mold and Dehydration? [E]
Investigate the effects of copper on mould development [P]
Determine the effects of honey on extending the shelf life and preserving fruits and vegetables. [E]
Determine what preservatives keep fruit from turning brown the longest. [E]
Comparing Different Fruit Pastes as a Preservative in Baked Goods [E]
How Much Longer Does It Take Bread with Preservatives to Grow Mold Than It Takes Bread without Preservatives? [E]
Investigating the Anti-Bacterial Properties of Turmeric on the Shelf Life of Milk [E]
How Do Food Preservatives Affect the Growth of Microorganisms? [E]
The Effect of Anhydrous Ammonia on the Dehydration Rate of Plant vs. Animals Cell (Food Preservation) [P]
Examines the levels of harmful bacteria that grow in baby food after it has been opened and used in both refrigerated and room temperature environments. [E]
Determine if dehydrating fruits inhibits spoilage rate. [E]
Microwave Radiation's Effect on the Growth of Bacteria [E]
Food Safety Science Fair Projects and Experiments
High School - Grades 10-12
P=Project   E=Experiment
Compare the antioxidant effects of natural and synthetic food preservatives. [P]
Why does organic milk last so much longer than regular milk? [E]
A third-world refrigeration method [E]
Food Safety Science Fair Projects and Experiments
Useful Links
Science Fair Projects Resources [R]
Citation Guides, Style Manuals, Reference [R]
Safety Resources [R] [R]
Food Science Fair Books


Food Science Projects
Engineering Topics Related Subjects
Chocolate, Candy, Sweets
Food Safety
Bacteria in Food
Yeast, Mold in Food
Food Preservation
Food Storage
Vitamin C
Dairy Products
Cooking & Baking
Cakes, Cookies, Ice Cream
Fruits & Vegetables
Salt & Sugar
Food Chemistry
Food Biochemistry
Genetically Modified Foods
Temperature & Food
Salt & Sugar

Science Fair Project Guide
Science Fair Project Types
The Scientific Method - How to Experiment
The Display Board
Topics, Ideas, Sample Projects

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Last updated: January 2017
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