Plants and the Environment
Science Fair Projects
Ideas and Sample Projects by Grade Level

Home Experiments Science Jokes Warning!
Elementary School - Grades 4-6
P=Project   E=Experiment
Test the effects of the heavy metal copper (Cu) on an aquatic environment containing algae, worms, fish, and plants. [E]
The effects of liquid fertilizer on an aquatic environment containing small aquatic animals and plants. [E]
The effects of Wireless Devices on Plant Growth [P]
What is the effect of ozone on plant growth. [P]
The Effect of Acid Rain on Marigold Plants [E]
Acid Rain
Bioremediation / Phytoremediation
Irrigation Water Pollution
Soil Pollution
Water Pollution Impact on Aquatic Life
Middle School - Grades 7-9
P=Project   E=Experiment
See if coco coir, an eco-friendly, sustainable growing medium, can be used as a substitute for non-sustainable growing mediums. [E]
Effect of Various Pollutants on the Aquatic Plant, Egeria densa (Large-flowered Waterweed) [E]
The Effects of Runoff Pollutants on Various Aquatic Plants [E]
Try to reduce the amount of phosphate and nitrate in water in order to reduce the amount of blue green algae blooms. [E]
Discover the effect of different types of reclaimed water on the growth of grass. [E] [E] [E]
How does the growth of plants in a natural sewage treatment system affect how well it absorbs phosphates and nitrates? [P] [P]
Make your own paper, test it, and rate its quality, using either recycled paper or plant fibers as the source material. [E]
Used coffee grinds can be recycled, add value to improve plant growth and help the environment. [E]
Recycling Greywater: Can Plants Tolerate It? [E]
The effects of microwaved water on plants [P]

The Photochemical Formation of Ozone at Ground Level and Its Effects on Some Plants [E]
The Effect of Carbon Dioxide and Ozone Enrichment on the Growth Behavior of Bush Bean Plants [E]
How do oil spills affect plant growth? [P]
Which environmental pollutant - motor oil, used transmission fluid, used antifreeze - has the most effect on aquatic plants and animals (elodea and daphnia)? [E] [E]
Find out if plants affect the temperature in a sealed box. [E]
Does precipitation in your area contain acidic emissions from power plants, industries or vehicle emissions? Does the acidity of the precipitation change during the year? [E]
Find out how extra carbon dioxide affects growing locoweed (Astragalus laynae). [E]
Acid Rain
Bioremediation / Phytoremediation
Irrigation Water Pollution
Soil Pollution
Water Pollution Impact on Aquatic Life
High School - Grades 10-12
P=Project   E=Experiment
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] [P]
Show that early crop health assessment can help farmers maximize harvest yield and minimize fertilizer and pesticide application. [P]
The effects of aquatic plants on algae growth, pH, nitrite, and phosphate levels [E]
Effect of air Pollution on Chlorophyll Content and Lichen Morphology [E]
The effects of filtering and screening processes standard in sewage disinfection plants, and the best disinfecting agents used in treating the water. [E]
The Effects of Recycled Water on the Growth and Germination of Different Plants [E]
Determine the percent increase of solar radiation absorbed by the earth's surface when man alters: a coniferous forest into a grassland; a grassland into urban asphalt; a coniferous forest into urban asphalt. [E]
Using plants to recycle fish ammonia [E]
Determine whether or not recycled (reclaimed) water would harm California native plant species. [E]
Explored the effects of increased intensities of UV radiation on two primary groups of chromophores in a plant. [E]

Investigate Gamma Radiation Effects on Plant Growth [E]
The Effects of Oil Spills on Underwater Plant Life [E]
How do increased CO2 levels affect plant growth? [E] [E]
Impact of Elevated CO(2) Atmosphere on Germination of Jasper Ridge Plants [E] [E]
Compare the effects of air pollution given off from a small sized car, a mini-SUV, and a large SUV on freeways plants. [E]
Acid Rain
Bioremediation / Phytoremediation
Irrigation Water Pollution
Soil Pollution
Water Pollution Impact on Aquatic Life
Useful Links
Science Fair Projects Resources [R]
Citation Guides, Style Manuals, Reference [R]
Safety Resources [R] [R]
Environmental Sciences Fair Books

The Orchid Grower - A Juvenile Forensic Science Adventure Novel

The Orchid Grower

Environmental Projects
Environmental Topics Related Subjects
Global Warming
Greenhouse Effect
Endangered Species
Oil Spills
Waste Management
Acid Rain
Air Pollution
Car & Vehicle Pollution
Daphnia Experiments
Water Conservation
Water Pollution
Freshwater Pollution
Aquatic Life Pollution
Saltwater Pollution
Irrigation Water Pollution
Water Purification
Water Filtration
E. coli Contamination
Drinking Water Quality
Soil Pollutions
Radiation & Light Pollution
Metal Pollution
Plants and Environment
Going Green!
Sun & Light
Earth Sciences

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

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Last updated: September 2016
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