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The soil beneath our feet may appear to be plain and lifeless, but it can in fact yield many clues concerning recent events.
Your students can use this kit to become soil detectives, analyzing several samples to learn more about this valuable resource.
Includes: four soil samples, density gradient tubes, droppers, bromoform, bromobenzene, universal indicator with chart, glass beads, hydrochloric acid (0.5N), potassium chromate (0.5N), microscope slides, polarizing film, tweezers, magnifying glasses, student data sheets and a complete instruction manual.
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