Lesson 1: The Spark of Life (Neuron & Action Potential)
Duration of Days: 4
Lesson Objective
Explain how a cell generates an electrical impulse through ion movement.
How does a cell fire
How do ions create electricity in the body
Resting potential, action potential, depolarization, Na+/K+ pump, myelin sheath, nodes of Ranvier
HS-LS1-1
HS-LS1-2
Interpreting voltage graphs over time
Model ion movement across neuron membrane
Connect structure to electrical signaling
Purpose is understanding basis of neural communication
DOK 3
Multiple Sclerosis and myelin damage
Electricity flows like a wire
Human domino simulation
Visual graph supports
https://docs.google.com/document/d/1siFIsOAs45CxuUlyJt9dNRdT70eTva14fJMeE1qXHPk/edit?tab=t.0
Graph-to-action poster of the action potential
Skills Assessed
- Interpreting scientific graphs
- Sequencing processes
- Connecting visual data to biological events
- Explaining cellular processes
Content Assessed
- Resting potential
- Depolarization and repolarization
- Sodium-potassium pump
- Ion movement
- Myelin sheath function
- Saltatory conduction