Soils  (STC)
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In the Soils unit, students use many of the basic techniques of soil science to explore a variety of soils and soil components. As they participate in the activities, they gain practice in the following skills:

Through observations and various tests, your students will discover and identify the different properties of sand, clay, humus, and garden soil. They will apply their new knowledge to investigate a "mystery" soil and discover its composition. As you progress through the unit, students perform activities involving:

Throughout the unit, students will sharpen a variety of skills as they conduct experiments, observe results, and record their findings.

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