Animals Activity 5.4 Tab 1

Target Student Performance

Students explain how matter moves and changes and how energy changes during biosynthesis in a cow’s cells (connecting macroscopic observations with atomic-molecular models and using the principles of conservation of matter and energy).

Note: This lesson should be taught, regardless of it you taught only Activity 5.1 or both Activity 5.1 and 5.2. However, the language you use and the responses you should expect from your students will be different. Students who did 5.2, molecular modeling, should use the terms “polymers” and “monomers” in their explanations of digestion and biosynthesis, including the names of specific polymers (e.g., proteins, fats and carbohydrates) and monomers (e.g., amino acids, fatty acids, glycerol). Students only did 5.1 should use the terms "large organic molecules" and "small organic molecules" rather than polymers and monomers and use the names of specific large organic molecules (e.g., proteins, fats and carbohydrates) only. Throughout the PPT, you will find both sets of vocabulary.

Resources You Provide

Resources Provided

Recurring Resources


Print one copy of the 5.4 Explanations Tool for Cow Biosynthesis, and the 5.4 How do Animals Grow? Reading (if you choose to use it) for each student. If you are using it, print one copy of the Big Idea Probe: What Happens to the Fat? for each student. Prepare a computer and a projector to display the PPT. Print and hang the Digestion and Biosynthesis 11 x 17 Posters and Metabolic Pathways 11 x 17 Poster. In this activity, your students will need to use the Three Questions Explanation Checklist on the back of the Three Questions Handout. Be sure to have this available to students, and see the notes in the Modifications at the end of the Activity for ideas about how to use it.