The central goal of this lesson was for students to demonstrate understanding of informational texts.2. Support the development of literacy through language a. An essential language function for students was described in the lesson I observed (December 1, 2015). In this lesson, for the children to complete their assigned task, 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 provided students with the opportunity to practice using this feature was done earlier in the day, when all the children were sitting together on the carpet and the teacher had just finished a discussion in class on the chapter. After the discussion, the teacher asked the students to turn to the person sitting next to them and tell him one thing they learned from the chapter. 3. Linguistic needs. Vocabulary: life, air, dive, dig, breathe.b. Structures: In the story I learned that . An example of life on planet Earth is . The text says