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Tree Rings
Fourth graders explore tree rings. In this plant biology lesson, 4th graders construct a KWL chart on tree rings and examine real tree rings. Students identify the changes that happened during the tree's life and its actual age. Students...
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Tree-Ring Dating
In this tree-ring dating worksheet, students use activity sheets to determine a tree's age and to observe changes in climate from the tree-rings. Students investigate how archaeologists use tree rings to date evidence and they answer 5...
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Aging of Trees
Students examine tree rings to determine its age. In this tree ring lesson plan, students examine core tree samples, identify the tree rings, and then determine its age. Students complete a worksheet, deciding which of the two core...
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Tree-ring Dating
Middle schoolers complete activity sheets and participate in discussions while they study dendrochronology. They determine a tree's age and recognize how the climate varied over time.
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Methuselah Tree
Learners examine how scientists determine the age of living and non-living trees. They simulate the role of a tree-ring scientist, crossdating tree-ring samples and determining which sample is the oldest and the age of the samples.
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Logs of Straw: Dendocronology
Students investigate the age of trees by analyzing tree rings. For this dendocronology lesson, students examine sample images of tree rings and identify their age by the amount of rings. Students complete a chart identifying the age,...
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Measuring Absolute Time
In this absolute time worksheet, students answer eleven questions about ways to measure the age of fossils. They define half-life, answer questions about radioactive dating, tree rings and varves.
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How Old is That Tree?
In this age of a tree activity, students use "Tree Cookies" and count the number of rings in each, they determine the age of the tree and they identify any special features and what they may indicate.
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Our Family Tree
Students investigate their family heritage and plot their timeline. In this research lesson students study their family tree and forestry.
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How Old Is This Tree?
Young scholars work in pairs to determine the age of a tree using two different methods in this experiment. They collect data about how trees change over time.
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Relative Dating in Archaeology
Students create a timeline that explains how ancient cultures used artifacts. In this Relative Dating in Archaeology lesson plan, students examine artifacts and draw conclusions about their origins. Then students analyze antiquated...
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Trees: Recorders of Climate Change
Students study cross sections of trees or tree "cookies" to discover how the rings on tree sections give clues to the climate during the time the ring was produced. They study simulated cross sections of trees to determine the climate...
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Pecans
In this calculator activity, students complete a task using pecans. Students complete 4 short answer questions and a "challenge" question using reasoning skills and calculating their responses.