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Seventh Grade Life Science - Science Fair Project Ideas

Great selection of seventh grade science fair project ideas. These science fair projects can help you find seventh grade level ideas for your science fair.

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Seventh Grade Life Science
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This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.
What is the Best Way to Disinfect a Toothbrush?
Seventh Grade
Life Science
In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.
What is the Bacterial Content of Milk?
Seventh Grade
Life Science
Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.
Does Aspirin Help Plants Grow?
Seventh Grade
Botany
This project will explore whether test subjects, deprived of points of reference, will, in attempting to walk a straight course, walk in circles.
Walking in Circles
Seventh Grade
Life Science
Observe which kind of fresh long-stemmed flower will last the longest after being picked.
Which Stemmed Flower Lasts The Longest In Water after picked?
Seventh Grade
Botany
Time to look at our faces! Are they symmetrical or asymmetrical? Find out in this science fair project idea.
Are Our Faces Symmetrical
Seventh Grade
Anatomy
Should you use âFITâ Fruit and Veggie Wash or plain water to wash your produce? Find out in this science fair project idea.
“FIT” Specialty Fruit/Veggie Wash vs. Plain Water
Seventh Grade
Microbiology
Will male or female hair grow faster? Find out in this science fair project idea!
Are the Growth Rates of Hair Different Between Men and Women?
Seventh Grade
Anatomy
Discover whether cheap saline solution bottle cleans and disinfects just as well as more expensive kinds formulated with different ingredients.
Saline Solution vs. More Expensive Brands of Contact Lens Disinfectants
Seventh Grade
Microbiology
Find out whether packaged seeds actually do expire in this new science fair project idea.
Do Packaged Seeds Expire?
Seventh Grade
Botany
Find out whether people within a family tend to have matching fingerprints.
Are Fingerprint Shapes Inherited?
Seventh Grade
Genetics
Science fair project that examines how light wavelengths affect photosynthesis in the aquatic plant: Elodea.
Photosynthesis of Elodea
Seventh Grade
Life Science
Find out whether putting something on top of a plant will inhibit its growth.
Will A Plant Still Grow Even When You Put Something On Top Of It?
Seventh Grade
Botany
Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.
Comparing Composting Methods
Seventh Grade
Life Science
Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.
Soil Ecology
Seventh Grade
Life Science

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