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Understanding Paleoclimates: Essential Concepts for Students About Climate Science

This resource empowers students to grasp key concepts in paleoclimatology, exploring how scientists decipher Earth's past climates through methods like ice core analysis and isotope measurement. It addresses common misconceptions about the reliability of climate data prior to recorded history and emphasizes the scientific processes ensuring trustworthiness in conclusions. The learning sequence includes PowerPoint presentations, engaging videos, hands-on demonstrations, and critical reading materials, ultimately aiding students in mastering the analysis and interpretation of historical climate data.

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Understanding Paleoclimates: Essential Concepts for Students About Climate Science

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  1. Ice Core Proxy Records Steve Walder and Taylor Dufford

  2. Essential Ideas Students will understand… • how scientists know about paleoclimates. • what processes scientists have in place so that the conclusions that are drawn regarding past climate are reliable.

  3. Possible Misconceptions • Prior to recorded times there is no accurate information about the conditions on Earth. • Scientists do not have a reliable method to infer climate information prior to recorded historical times. • Scientists falsify data to support their agenda. • Water molecules all have the same mass and physical properties.

  4. Learning Sequence • Background Information: • PowerPoint: Ice Cores & Isotopes (from Will Pratt) • Video: Ice Core Secrets (Science Nation) • Demonstration: Evaporation of isotopes • Reading: The Water Cycle, Oxygen-18, and Ice Cores • Formative assessment worksheet • Working with Data • Using Proxy Data: Ice Cores and Past Temperatures • Graphing Greenland ice core and weather station temperature data • data analysis, interpretation, and conclusions

  5. YouTube Video: Evaporation DemoLow Energy

  6. YouTube Video: Evaporation DemoHigh Energy

  7. The Water Cycle, Oxygen-18, and Ice Cores Reading

  8. Formative Assessment Worksheet

  9. Using Proxy Data

  10. Using Proxy Data

  11. Using Proxy Data

  12. Using Proxy Data

  13. Using Proxy Data: Analysis Questions

  14. Steve’s RETI Reflections:

  15. Up and Coming: The Wonderful World of Walder • Add a second graphing activity to this module • Oxygen 18 vs. temperature correlation = 0.71 for seasonal data (Nov. – April) = 0.83 for decadal analysis • Goal: Increase student exposure to different ways that data can be analyzed • Add a summary activity that incorporates the importance of the use of multi-proxy reconstructions of past climate

  16. Taylor’s RETI Reflections: What if Nathan had worn a purple shirt on faculty picture day? • Inspiring and revitalizing experience • Reminder of the process of science • Intellectually stimulating • Reinforced value of collaboration • Thought-provoking and informative • Increased understanding of climate science • Emphasized importance of communication

  17. Up and Coming: Dufford’s Little Universe • 1) Atmosphere Mapping Activity • Randy’s Balloon Interactive • NOAA Radiosonde reading & History of UA observing • HIPPO videos • ACD information on tropospheric ozone • Dave Fahey talk and ozone booklet

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