Related Topics:4. Various sources of energy are used to power human activities.
Associated Grade Levels:9-1011-12
4.1 Humans transfer and transform energy from the environment into forms useful for human endeavors
4.3 Fossil and biofuels are organic matter that contain energy captured from sunlight.
4.4 Humans transport energy from place to place.
4.5 Humans generate electricity in multiple ways.
4.6 Humans intentionally store energy for later use in a number of different ways.
4.7 Different sources of energy and different ways energy is transformed, transported, and stored.