Additional resources for further exploration
Watch this video to see how solar power cools camel-transported vaccines.
https://www.youtube.com/watch?v=HPAjRMZiBt4
What is the connection between kids on a merry-go-round and pumping water? Click here to find out.
http://science.howstuffworks.com/environmental/green-tech/sustainable/playpump.htm
Could glow-in-the-dark plants replace streetlights? How do living billboards work? What about solar aircraft—how do they work? For the answers, click here.
http://science.howstuffworks.com/environmental/green-tech/sustainable/in-the-community.htm
This lesson from PBS on products from the Amazon's rainforest is suitable for students in grade 5 (and beyond).
http://www.pbs.org/journeyintoamazonia/teacher_raw.html
Download free lesson plans for all grades on water scarcity, courtesy of The Water Project.