Neurons and Action Potential

Kari Rich
Grade Level: 
National Science Education Standards: 
Science as Inquiry • Abilities necessary to do scientific inquiry • Understandings about scientific inquiry Life Science • The cell Science and Technology • Abilities of technological design • Understandings about science and technology Science in Personal and Social Perspectives • Personal and community health
Arizona State Science Education Standards: 
Strand 1: Inquiry Process Concept 1: Observations, Questions, and Hypotheses (Formulate predictions, questions, or hypotheses based on observations. Evaluate appropriate resources.) PO 1. Evaluate scientific information for relevance to a given problem. PO 2. Develop questions from observations that transition into testable hypotheses. PO 3. Formulate a testable hypothesis. PO 4. Predict the outcome of an investigation based on prior evidence, probability, and/or modeling (not guessing or inferring). Concept 2: Scientific Testing (Investigating and Modeling) (Design and conduct controlled investigations.) PO 5. Record observations, notes, sketches, questions, and ideas using tools such as journals, charts, graphs, and computers Concept 3: Analysis, Conclusions, and Refinements (Evaluate experimental design, analyze data to explain results and propose further investigations, design models) PO 1. Interpret data that show a variety of possible relationships between variables, including: • positive relationship • negative relationship • no relationship PO 2. Evaluate whether investigational data support or do not support the proposed hypothesis. Concept 4: Communication (Communicate results of investigations) PO 2. Produce graphs that communicate data. PO 3. Communicate results clearly and logically. PO 4. Support conclusions with logical scientific arguments.
In this lesson, students will learn about ion flow and membrane potential during an action potential in a neuron. Channel position, graphing and naming of the different stages of action potentials will also be discussed. Applications of this information are introduced using neural data, sound clips and an online program showing the concept of the refractory period. Following the activity, students will be given a worksheet asking them to describe what they did during the activity and apply what they learned to more abstract questions.
Neurons and Action Potential Lesson Plan.doc46 KB
Neurons and Action Potential - Worksheet.doc29.5 KB