Did you know that soils can be alkaline, neutral, or acidic? Most plants grow best in soil near neutral pH, but some plants prefer slightly acidic and others slightly alkaline soil. What is the pH of the soil in your garden? What happens to the pH of water that comes in contact with soil? Here's how to find out.

Concepts

environmental science, ph

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Additional Tags

environment, science fair project, soil changes, ph plant health, science buddies, science project

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Classroom Considerations

• Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)