Plant Pesticides and Herbicides
Science Fair Projects
Ideas and Sample Projects by Grade Level

Home Experiments Photosynthesis Warning!
Elementary School - Grades 4-6
P=Project   E=Experiment
How Close to a Plant Must Pesticides Be in Order to Be Beneficial? [E]
Test several household and natural solutions for their effectiveness as an ant repellent. [E]
Does Adding Polymers to Soil Prolong the Effects of Pesticide? [E]
Which Natural Insecticide Kills the Fewest Lady Beetles? [P]
The effect of pepper extract on the growth of sunflowers [P]
Interdisciplinary Topic: Pesticides
What is Integrated Pest Management (IPM)?

Middle School - Grades 7-9
P=Project   E=Experiment
Using Adjuvants to Amplify the Effect of Organic Herbicides to Kill Undesired Plants [E]
Does Orange Oil Really Work? A Study of Synthetic vs. Organic Pesticides [E]
How Does Herbicide Temperature Affect the Killing of Undesirable Plants? [E]
What is the Most Effective Treatment for Whitefly Infestations on Plants? [E]
Experiment with Factors that Affect Roundup® Weed Killer [E]
Investigating a Practical Eradication Method for the Invasive Parrot Feather [E]
Find the best way to remove pesticides and their presence on produce. [P]
Can Copper Foil Snails? [E]
What is the Most Effective Treatment for Whitefly Infestations on Plants? [E]
How to decrease pesticide use and runoff [P]
Find a natural non-toxic material - mineral lime, ash, cinnamon, bay leaves, eucalyptus leaves, sand, and human hair - that can repel snails without killing them. [E]
Integrated Pest Management (IPM) - decide if a herbicide application is necessary. [E]
Is caffeine an effective pesticide against drosophila (fruit fly)? [P]
Determine the most effective pest control method (organic vs. traditional), and what method produces the best tasting lettuce. [E]
The use of a natural method of allelopathic leaf extract treatments to eradicate Arundo donax (giant reed) in a environmentally-friendly and cost-effective manner. [E]
Interdisciplinary Topic: Pesticides
What is Integrated Pest Management (IPM)?

High School - Grades 10-12
P=Project   E=Experiment
Cheap production of nitrogen pesticides and fertilizers through hydrolysis of plant protein for rural use [P] [P]
Sucrose Efflux Mediated by SWEET Proteins as a Crucial Aid for Whitefly Feeding Reduction [E]
Enhancing soybean resistance to the Mexican bean beetle [E]
Assessing the Mutagenicities of Common Herbicides Using a Novel Reverse Mutation Assay [E]
A system was created that is able to catch, identify and count insects on sticky cards in greenhouses in order to determine a control strategy. [P] [P]
Determine if corn, inoculated with mycorrhizal fungi, would be able to communicate with their neighbors and warn them about pest attacks. [E]
Determine the effects of Neem tree extracts as antibacterial and antifungal agents as well as a pesticidal agent. [P] [P]
Increasing global UV levels may stimulate allelochemical production in Helianthus annuus (sunflower) and the leachates could be used as natural herbicides against plants susceptible to allelopathic effects. [P]
Show that early crop health assessment can help farmers maximize harvest yield and minimize fertilizer and pesticide application. [P]
Natural methods for preventing attacks by bark beetles on pine - plant diversity, low density, and Manzanita. [E]
The antlion as a bio pesticide [E]
Pea flour as a control of stored grain pests such as the rice weevil and the red flour beetle. [P]
Interdisciplinary Topic: Pesticides
What is Integrated Pest Management (IPM)?
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Seeds & Germination
Soils & Hydroponics
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Colors in Botany
Weather in Botany
Plant Irrigation
Plant Nutrition
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Last updated: September 2016
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