A complete, ready-to-teach lesson for Unit 1 (Principles and Applications of Science I), biology section: resting potential, action potentials and saltatory conduction.
Learning objectives:
- Explain how the resting potential is maintained.
- Describe the stages of an action potential and the ion movements involved.
- Explain the all-or-nothing principle and the refractory period.
- Explain how an impulse is propagated, including saltatory conduction.
What’s included:
- Student worksheet (PDF and editable Word)
- Teacher version with model answers and mark schemes (PDF and editable Word)
- Teacher notes: lesson flow, common misconceptions and practical/safety notes
- Retrieval starter (5 marks)
- Structured tasks with key-idea boxes and clear diagrams
- Check for Understanding quiz (10 marks) with a confidence self-assessment
- Exam-style practice (15 marks), ending with a levels-marked 6-mark question with indicative content
Specification coverage:
- B2 · Nervous tissue: the resting potential and the generation of an action potential.
- B2 · Nervous tissue: propagation of the impulse and saltatory conduction.
About 60 minutes of teaching; the exam-style section works in class or as homework. All questions are original.
Written for the Pearson BTEC Level 3 Nationals in Applied Science. Not endorsed by Pearson. Single-school licence.
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£3.00