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Analyzing the Data: It's time to tell the story about Buds, Leaves and Global Warming
http://harvardforest.fas.harvard.edu/sites/harvardforest.fas.harvard.edu/files/schoolyard/Harvard%20Fall%20Leaf%20Study%20Lesson%20Plan-LeTellier-2013-final.pdf

Lise LeTellier, Harvard Forest Schoolyard LTER

In this activity, students explore how, in New England, the timing of color change and leaf drop of deciduous trees is changing.

Activity takes two 45-minute class periods.

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Climate Literacy
About Teaching Climate Literacy

Individual organisms survive within specific ranges of temperature, precipitation, humidity, and sunlight. Organisms exposed to climate conditions outside their normal range must adapt or migrate, or they will perish.
About Teaching Principle 3
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Environmental observations are the foundation for understanding the climate system. From the bottom of the ocean to the surface of the Sun, instruments on weather stations, buoys, satellites, and other platforms collect climate data. To learn about past climates, scientists use natural records, such as tree rings, ice cores, and sedimentary layers. Historical observations, such as native knowledge and personal journals, also document past climate change.
About Teaching Principle 5
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Excellence in Environmental Education Guidelines

1. Questioning, Analysis and Interpretation Skills:C) Collecting information
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C) Collecting information.
1. Questioning, Analysis and Interpretation Skills:E) Organizing information
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E) Organizing information.
2. Knowledge of Environmental Processes and Systems:2.2 The Living Environment:A) Organisms, populations, and communities
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A) Organisms, populations, and communities.
2. Knowledge of Environmental Processes and Systems:2.2 The Living Environment:C) Systems and connections
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C) Systems and connections.

Benchmarks for Science Literacy
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Scientific investigations usually involve the collection of relevant data, the use of logical reasoning, and the application of imagination in devising hypotheses and explanations to make sense of the collected data.
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The world contains a wide diversity of physical conditions, which creates a wide variety of environments: freshwater, marine, forest, desert, grassland, mountain, and others. In any particular environment, the growth and survival of organisms depend on the physical conditions
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Notes From Our Reviewers The CLEAN collection is hand-picked and rigorously reviewed for scientific accuracy and classroom effectiveness. Read what our review team had to say about this resource below or learn more about how CLEAN reviews teaching materials
Teaching Tips | Science | Pedagogy | Technical Details

Teaching Tips

About the Science

  • Activity has students access and analyze selected phenology data from the Harvard Forest Schoolyard Long-Term Ecological Research (LTER) project, to study changes in the growing season of deciduous trees in New England.
  • The two-year length of the graphing component isn't really long enough to discern trends. Collecting more data over more years would provide more information from which trends could emerge.
  • Passed initial science review - expert science review pending.

About the Pedagogy

  • Activity is carefully and thoughtfully written with explicit teacher notes and student directions, background information, and screenshots to guide access to and use of the data; assessment rubric is provided with sample assessments representing honors and IEP-accommodation students.

Technical Details/Ease of Use

  • Educator is integral to initial explanations of this lesson. Once students understand the database and what is expected, they should become more independent.
  • Students will need computers with Internet access, Excel or or other spreadsheet software, and a printer.

Related URLs These related sites were noted by our reviewers but have not been reviewed by CLEAN

http://harvardforest.fas.harvard.edu/buds-leaves-global-warming

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