This activity (page 2 of the PDF) is a full inquiry investigation into decomposition. Groups of learners will carefully observe and record the appearance of items, such as an apple, that can decompose, taking weights, measurements, and noting other physical markings. The items are then buried in buckets of various earth materials for at least two weeks. Learners will then dig up the objects to inspect, record observations to compare with their previous notes, and graph changes over time. Relates to linked video, DragonflyTV GPS: Bogs.


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