Web Location:http://free.ed.gov/subjects.cfm?subject_id=249&toplvl=56&res_feature_request=1
Related Topics:1. Energy is a physical quantity that follows precise natural laws.
Associated Grade Levels:1-23-45-67-89-1011-12
1.5 Energy comes in different forms and can be divided into categories.
1.7 Many different units are used to quantify energy.
1.8 Power is a measure of energy transfer rate.
