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High School Botany Science Fair Project Ideas

Browse from many free high school botany science fair project ideas. These high school botany science fair projects are a great place to find ideas for an upcoming science fair.

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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?
High School
Botany
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
High School
Botany
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?
High School
Botany
This experiment explores how microwave radiation affects fungi, bacteria, and plant life.
How Does Microwave Radiation Affect Different Organisms?
High School
Botany
Chlorophyll is present in all green leaves. What about leaves that have turned brown? Is Chlorophyll still present in a leaf that has turned brown?
Do Fallen, Brown Leaves Still Have Chlorophyll?
High School
Botany
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?
High School
Botany
The objective of this project is to determine whether the intensity of light on a plant's leaves affects the output of oxygen.
Plants Exhale: Does Light Help Plants Produce Oxygen?
High School
Botany
The goal of this project is to see if the roots and stems that grow out of a germinating seed are affected by an additional force perpendicular to the Earth's gravity.
Effect of Artificial Gravity on Radish-Seed Germination
High School
Botany
Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.
Does Aspirin Help Plants Grow?
Botany
Seventh Grade
This experiment will explore if and where fractals can be found in the natural world.
Fractals in Nature
High School
Botany
Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.
Which Starch Plant Produces the Most Fuel?
High School
Botany
Trying to create the perfect carrot or green bean? Test your cloning skills with this exciting science project.
Can Plant Cloning Be Used Effectively by Produce Growers?
High School
Botany
Dandelions are often used for medicinal purposes around the world. This project tests whether dandelion roots are as effective in treating bacteria as an antibiotic.
Are Dandelions as Effective as Commonly Prescribed Antibiotics Against Bacteria?
High School
Botany
Which is the strongest? The objective of this project is to test the strength of composite wood and solid wood.
Are Composites of Wood Stronger than Solid Wood?
High School
Botany
This science fair project idea determines whether plants grow better in soil or in fish ponds.
Aquaponics
High School
Botany

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