Dendrochronology - Tree Ring Dating
Product Number: SB50433
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Using the specially designed simulated tree cores, students will learn the important effects of climate on living things as they unravel secrets about the age and history of trees. They will also be asked to estimate the climate of a particular year in the distant past by carefully studying a trees annual rings. Students will also attempt to establish the year when a piece of lumber was cut and when it started growing. Simulated tree cores are reusable. Includes 30 simulated tree cores (15 marked A and 15 marked X), a teachers guide, and 30 student worksheets and guides. For 30 students. Takes one 50-minute class period to complete. WARNING: Choking Hazard. Small Parts. Not for children under 3 yrs.