Changing Planet: Withering Crops

Notes from our reviewers

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• Teaching Tips
  Note: you will need to scroll down the Changing Planet video page to get to this video. See Windows to the Universe lesson plan here [link http://www.windows2universe.org/earth/changing_planet/withering_crops_intro.html] for a hands-on activity that reinforces the video.
• About the Science
  Video addresses impact of increasing global temperatures and resulting decline in soil moisture on viability of grain crops that provide the primary global food supply. Brief segment of video illustrates mechanism by which plant leaves take in CO2 and expire water and how drought conditions stress that mechanism. Comment from expert scientist: This activity has addressed very important issues of potential impacts of heat and water stress in plant growth.
• About the Pedagogy
  See related lesson plan, Changing Planet: Withering Crops - Stressing Over Lost Water [link http://www.windows2universe.org/teacher_resources/withering_crops_activity.html]. You will need to be a member of NESTA or pay a minimal fee to access a pdf version of the activity.
• Technical Details/Ease of Use
  Can be embedded.