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9th Grade Science
Sustainability
17. Systems
17.2 Energy Flow, System dynamics
Energy Flow & System Dynamics: How Energy Moves Through the World
Discover how energy flows through ecosystems, drives Earth's major cycles, and shapes the dynamic systems that sustain life on our planet.
What You'll Learn
Energy flows through systems transforming between forms at every stage.
Feedback mechanisms regulate system stability through inputs and outputs.
Trophic levels show how ecosystems transfer and lose energy progressively.
Earth's major cycles are all driven by continuous energy flow processes.
What You'll Practice
1
Students identify energy flow pathways through ecosystems and systems.
2
Learners distinguish between open systems, closed systems, and equilibrium.
3
Practice questions test understanding of feedback mechanisms and energy transformation.
Why This Matters
Understanding energy flow and system dynamics equips students to analyze environmental challenges, evaluate sustainability, and apply scientific thinking to real-world problems.
This Unit Includes
Practice exercises
Learning resources
Skills
Energy Flow
System Dynamics
Feedback Mechanisms
Trophic Levels
Dynamic Equilibrium
TN Curriculum Aligned