How Are Soils Classified?
Fourth graders list the three texture groups in which soils are classified. They also classify a soil sample as sandy, silty, or clay soil. Pairs of students examine the three types of soil, then classify them based on their feel.
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Components of Soil and Water Retention
What type of soil holds in moisture the best? Find out with a guided-inquiry based lesson in which scholars investigate three types of soil—sand, clay, and silt—and the ability of each to retain waiter for plant growth. Learners graph...
3rd - 5th Science CCSS: Adaptable