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Ninth Grade Life Science - Science Fair Project Ideas

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

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Ninth Grade Life Science
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This science fair project compares the allelopathic chemical produced by the Black Walnut tree to a commercial herbicide in stopping the growth of a shrub.
Natural Herbicide vs. Commercial Herbicide
Ninth Grade
Life Science
This science project is to discover which Black Walnut tree tissue contains the most concentrated amount of Juglone, a substance that works like an herbicide.
Which Part of the Walnut Tree Contains the Greatest Concentration of Allelopathic Substances?
Ninth Grade
Life Science
This science fair project explores whether musicians are better than non-musicians at distinguishing and understanding speech in noisy environments
Do Musicians Develop Better Hearing?
Ninth Grade
Life Science
Measure the densities of various fruits and vegetables to determine if there is a relationship between density and nutritional value.
Is a Denser Fruit Healthier?
Ninth Grade
Life Science
This project examines the phenomenon of using a mirror to trick a person's brain into experiencing sensations in body parts not actually affected.
Using Mirrors to Create Phantom Sensations
Ninth Grade
Anatomy
This science fair project examines how carnivorous plants digest insects, and whether the plant can use nitrogen in the soil to compensate for lack of insects.
How Do Carnivorous Plants Digest Insects?
Ninth Grade
Life Science
This experiment investigates if small changes in your diet can alter your basal body temperature.
How Does Diet Affect Your Body Temperature?
Ninth Grade
Life Science
This experiment explores whether music affects the growth of bacteria and could help figure out better ways to process sewage and other microbe-assisted duties.
What Music Does Bacteria Enjoy the Most?
Ninth Grade
Life Science
In this high school science project, students examine the effect of overpopulation on guppies.
The Effect of Overpopulation on Guppies
Ninth Grade
Genetics
In this science fair experiment, high school students determine if all proteins denature at the same temperature.
Denaturing Proteins
Ninth Grade
Life Science
This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.
Which Plants can Resist Walnut Tree Allelopathy?
Ninth Grade
Life Science
Science fair project that compares leaf pigments of various tree species. Which tree species do you think will have the most pigments and why?
Leaf Pigments
Ninth Grade
Life Science
This experiment explores how microwave radiation affects fungi, bacteria, and plant life.
How Does Microwave Radiation Affect Different Organisms?
Ninth 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?
Ninth Grade
Botany
Investigate the kinds of memories we tend to store and the emotions we store with them. Determine if memories have a strong emotional component.
How Do You Remember?
Ninth Grade
Life Science

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