Web Location:http://www.nrs.fs.fed.us/pubs/jrnl/2010/nrs_2010_zhu_001.pdf
Related Topics:1. Energy is a physical quantity that follows precise natural laws.5. Energy decisions are influenced by economic, political, environmental, and social factors.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
1.1 Energy is a quantity that is transferred from system to system.
1.2 The energy of a system or object that results in its temperature is called thermal energy.
1.4 Energy available to do useful work decreases as it is transferred from system to system.
4.1 Humans transfer and transform energy from the environment into forms useful for human endeavors
4.2 Humans use of energy is subject to limits and constraints.
4.3 Fossil and biofuels are organic matter that contain energy captured from sunlight.
4.7 Different sources of energy and different ways energy is transformed, transported, and stored.
5.1 Decisions concerning the use of energy resources are made at many levels.
5.3 Energy decisions can be made using a systems-based approach.
8.1 Sources of cellulosic residuals used are found in forest operations and in industry process
8.3 Pretreatment processess makes sugars more available.
8.4 The conversion processess includes adding specific enzymes to make simple sugars available.
8.6 Liquid fuel can be produced from wood feedstocks.
