Related Topics:3. Biological processes depend on energy flow through the Earth system.5. Energy decisions are influenced by economic, political, environmental, and social factors.4. Various sources of energy are used to power human activities.
Associated Grade Levels:9-1011-12
3.6 Humans are part of Earth’s ecosystems and influence energy flow through these systems.
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.
4.5 Humans generate electricity in multiple ways.
5.3 Energy decisions can be made using a systems-based approach.