Related Topics:3. Biological processes depend on energy flow through the Earth system.4. Various sources of energy are used to power human activities. 8. Wood based bio-fuels are one form of energy that is renewable
Associated Grade Levels:9-1011-12
4.1 Humans transfer and transform energy from the environment into forms useful for human endeavors
3.2 Food is a biofuel used by organisms to acquire energy for internal living processes.
8.1 Sources of cellulosic residuals used are found in forest operations and in industry process
4.7 Different sources of energy and different ways energy is transformed, transported, and stored.
8.8 Life cycle analysis take account of ecological factors that are in steps of the supply chain.