Community Garden Experiments
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Soil Mineral and Organic Content
Students get their hands dirty while investigating the soil composition of samples taken from the school garden.  Soil horizons and composition are explored using core samples and allowing soil to separate in water.  Following detailed observations, students classify soil types using the unified soil classification system.

soilcomposition--student.docx
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soilcomposition--teacher.docx
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Soil InfiltrationStudents know gardens need water grow, but here they explore the infiltration and water potential of garden soils.  After measuring infiltration rates in the garden, students will observe the infiltration/runoff characteristics of soil cores taken around the school.   

soilinfiltration--student.docx
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soilinfiltration--teacher.docx
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Soil pH
Students will explore what affects soil pH and why soil pH is important to plant growth in their school garden.  After an introduction to acid-base relationships, students will collect soil samples from the garden and measure the pH.  Students will also examine the effect of different pH on plant growth using plant cuttings from the garden and various acid or base solutions in the classroom. 

 


soilph--student.docx
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soilph--teacher.docx
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