Reflection: Grappling with Complexity Spawning - Section 3: Independent Practice


The graphic organizer used in today's lesson asks students to compare and contrast the salmon in its adult and spawner stages. Comparing and contrasting can be a difficult skill for students. To help support them in comparing and contrasting, I created a graphic organizer that helps break this process into smaller steps. First, the students draw a picture of both an adult salmon and a spawner. Next, students are ask to find commonalities between salmon in the two stages. Finally, the students find and list differences between adults and spawners. 

This graphic organizer helps students to be successful with comparing and contrasting by using non-linguistic representation and by breaking this process into smaller steps. Drawing the two species activates students prior knowledge. This task also enables all students, especially those who are struggling writers, to begin the task with ease. 

  Comparing and Contrasting in Science
  Grappling with Complexity: Comparing and Contrasting in Science
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Unit 8: Salmon
Lesson 7 of 9

Objective: SWBAT describe how salmon change when they become spawners. SWBAT describe how spawners journey back to their place of birth to complete their life cycle.

Big Idea: Spawners are salmon at the end of their life cycle that journey back to their place of birth.

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  60 minutes
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