Activity 4B: What’s My Line? - Circadian Rhythms

Students take charge of their own learning in this activity! Using a concept attainment model, students will develop a conceptual definition for Circadian Rhythms by examining a series of graphs. They will apply critical thinking as they identify patterns. From this, students will infer if sample graphs meet their criteria for circadian rhythms. This activity can be done as a class, in pairs, or in groups! This lesson is about as changeable as a circadian rhythm!

  • Observe critical attributes of circadian rhythm and non-circadian rhythm graphs
  • Develop a definition for circadian rhythm
  • Analyze/extract information on graphs

Polysomnogram, sleep stage, wave pattern, sleep disorder, sleep pattern, sleep 

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Activity Code: 
Unit Reference: 
ZZZZzzzWorld: Exploring Sleep
Lesson Reference: 
Lesson 4: Pineal Power: Melatonin, Circadian Rhythms & Homeostatic Control