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Global Change in Grasslands, USDA-ARS
https://vimeo.com/43865348

USDA-ARS and Fireside Productions

This video features the Prairie Heating and CO2 Enrichment Experiment near Cheyenne WY, where scientists expose mixed-grass prairie to higher temperatures and CO2 concentrations to study impacts on the prairie for late in this century.

Video length 7:54 min.

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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
Other materials addressing 3a
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
Other materials addressing 5b
Ecosystems on land and in the ocean have been and will continue to be disturbed by climate change. Animals, plants, bacteria, and viruses will migrate to new areas with favorable climate conditions. Infectious diseases and certain species will be able to invade areas that they did not previously inhabit.
About Teaching Principle 7
Other materials addressing 7e

Benchmarks for Science Literacy
Learn more about the Benchmarks

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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Changes in environmental conditions can affect the survival of individual organisms and entire species.
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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

  • This video can be used in a variety of types of lessons: geography, climate change, environmental science, anthropology.
  • For middle school students, it might be a bit long and dry - educator need to unpack the science. Suggest using concept mapping to help students understand the science content.

About the Science

  • The experiment simulates projected climate changes to see how the grasslands will respond. Research scientists from the US Department of Agriculture, Colorado State University, and University of Wyoming are featured, collecting grass samples and explaining how they will test each species for present conditions and predicted future conditions. Scientists discuss positive and negative impacts of the C02-enriched environment, and potential implications for livestock and invasive species.
  • Comments from expert scientist: It is a well described research project and easy for all ages to understand.

About the Pedagogy

  • Video illustrates very clearly how scientists manipulate plots of grassland (modifying temperature and C02 levels) so they can measure impacts of changes predicted for the future, on different species of plant life. Good explanations by the scientists about how they conduct their research.

Technical Details/Ease of Use

  • Video image and sound excellent.

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