Soil Organisms
Science Fair Projects
Ideas and Sample Projects by Grade Level


Home Experiments Photosynthesis Warning!
Elementary School - Grades 4-6
P=Project   E=Experiment
Can Healthy Plants Be Grown in Soil Containing No Microorganisms? [E]
Determine the effect of earthworm density on decomposition or reduction of surface residues. [E]
Make a Berlese funnel to investigate micro-invertebrates in soil. [E]
Composting With Worms (Red Wigglers) [P]
Find out the ideal proportion of earthworm castings to soil for young garden plants. [E]
Soil & Hydroponics Science Fair Projects and Experiments

Middle School - Grades 7-9
P=Project   E=Experiment
Discover how the diet of earthworms affects their growth, reproduction, and the quality of the soil they process. [E]
Determine the effect of earthworm density on decomposition or reduction of surface residues. [E]
Determining the Longevity of Insecticide in Different Soil Types [E]
The effect of Microarthropods on Soil Productivity [E]
What Are the Effects of Soil Sterilization on Pea Plant Growth? [E]
Do plants grow faster or slower in soil without microorganisms? [E] [P]
Soil & Hydroponics Science Fair Projects and Experiments

Useful Links
R=Resource
Science Fair Projects Resources [R]
Citation Guides, Style Manuals, Reference [R]
Safety Resources [R] [R]
Botany Science Fair Books

                   


Botany Project Ideas
Botany Topics Related Subjects
Photosynthesis
Seeds & Germination
Soils & Hydroponics
Soil Organisms
Tropism
Colors in Botany
Weather in Botany
Plant Irrigation
Plant Nutrition
Plant Hormones
Plant Pesticides
UV Radiation Effects
Organic Agriculture
Genetically Modified Food
Plant Pollutants
Plant Cultivation
Plant Physiology
Plant Genetics
Fungi
Algae
Plant Disease
Medicinal Plants
Acids in Botany
Salt & Sugar in Botany
Plants
Flowers
Water
Weather
Air
Colors
Gases
Fire
Oxygen
Sun & Light
Biotechnology
Biology
Environmental Sciences
Ecology
Biochemistry


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