Clara Smith, Lawrence Livermore National Laboratory
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4.1 Humans transfer and transform energy.
4.2 Human use of energy is subject to limits and constraints.
6.8 Calculating and monitoring energy use.
Notes From Our Reviewers
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Teaching Tips | Science | Pedagogy |
- Teachers must come up with their own strategies to make use of this tool by either creating a lesson around this information or carefully inserting this tool into a unit.
- While these diagrams may be initially difficult for some learners to grasp, a careful initial walk through followed by "pair and share" can help make the basic "spaghetti diagram" logic easier to understand.
- These flow charts can be used in an energy unit with a well-crafted inquiry and discovery project that guides students through a global "compare and contrast" worksheet/exercise where they can construct their own conclusions.
- Educators will want to discuss impact of population, geography, and seasonal variability on the magnitude and timing of energy use.
About the Science
- The diagrams show domestic and imported energy for each country.
- These flow charts provide overviews of energy input and outputs, allowing users to examine the diverse energy portfolios of diferent nations.
- For example, these diagrams show that the Russian Federation and Saudi Arabia are largest exporters of oil; France relies heavily on nuclear power for generating electricity; Costa Rica is rich in Geothermal; and New Zealand has a mix of renewable energy (Geothermal, Hydro and Wind) as part of its portfolio.
- Because the development and vetting of these flow charts takes several years, the data are from 2007. Since then, countries such as China, Brazil, and India have had significant energy portfolio changes.
- Passed initial science review - expert science review pending.
About the Pedagogy
- Except for the fact there is no page or country finder (maps are in alphabetical order by nation) this resource compiles the energy flow data from IEA into a scrollable, user-friendly document that provides visual analysis of our global energy resources.
- Provides a visual representation to frame the sources and use of energy by nations around the world.
- Teachers will need to find ways to scaffold this information.
Technical Details/Ease of Use
- More information about Sankey diagrams can be found at: http://www.sankey-diagrams.com
- Additional versions of these charts can be found at the parent URL listed below.
Related URLs These related sites were noted by our reviewers but have not been reviewed by CLEANhttp://flowcharts.llnl.gov
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