Learning Activity: Soil Moisture

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Link to Resource: https://www.soils4teachers.org/files/s4t/soil-moisture-learning-activity-2015-16.pdf
Resource Type:Classroom Activities; Curricula and Instruction
Grade Level:
9 10 11 12
Organization:Soil Science Society of America (SSSA)
Publication Date:2015
Summary:Where is the water in soil? Solids, liquids, and gases, the three phases of matter, are always present in soil. Small mineral and organic particles compromise the solid fraction, and there are spaces (pores) between the solid particles. Some pores are large, and others are very small. Air and water, the gas and liquid phases, exist in the pores. The size of the soil particles and pores affects how much water a soil can hold, and how that water moves through the soil. Sponges also contain solid material and pores of different sizes. This activity uses sponges to obswrve the basic properties about how soils hold water, and then observes the water holding capacity of some soils.
Earth Science Big Ideas:Big Idea 1
Subjects: soils; water
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