The central goal of this lesson was for students to demonstrate their understanding of informational texts.2. Supporting literacy development through language a. One function of language that was essential for the students in the lesson I observed (December 1, 2015) was description. In this lesson, in order for the children to complete the task assigned to them, they had to write down what they learned on pages 8-9 of the Planet Earth book including details and facts about the story. b. The key learning task that gave students the opportunity to practice using this feature occurred earlier in the day, when all the children were sitting together on the mat and the teacher had just finished a class discussion about the chapter. After the discussion, the teacher asked the students to turn to the person sitting next to them and tell them one thing they learned from the chapter. 3. Language requirementsa. Vocabulary: life, air, diving, digging, breathing.b. Structures: In history, I learned this. An example of life on planet Earth is . The text says