A complete, ready-to-teach lesson for Unit 1 (Principles and Applications of Science I), biology section: nerve impulse recordings, ECG traces and EEG brain-wave patterns.
Learning objectives:
- Interpret recordings of action potentials to compare stimulus strength.
- Identify the P wave, QRS complex and T wave of an ECG and link them to the heart.
- Calculate heart rate from an ECG and recognise abnormal traces.
- Interpret EEG traces to identify brain states.
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: interpreting recordings of nerve impulses.
- B2 · Nervous tissue: interpreting electrocardiogram (ECG) and electroencephalogram (EEG) traces.
About 60 minutes of teaching; the exam-style section works in class or as homework. All questions are original.
Note: some questions ask students to measure from the page, so print at 100% scale (not “fit to page”).
Written for the Pearson BTEC Level 3 Nationals in Applied Science. Not endorsed by Pearson. Single-school licence.
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£3.00