Description
This video presents information on the functions of external structures using the examples of horns and antlers.
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Lesson
Printable Materials
Horns and Antlers (PDF) Lesson Plan
Discussion
1. What are some differences between horns and antlers?
2. What are their main uses?
3. Make a list of animals that have antlers and a list of animals that have horns.
4. What farm animals have horns?
5. Animals display a variety of messages without using their voice. How do you communicate without a voice?
6. Choose a partner and display emotions without words. We are animals and we do non-verbal communication.
Standard
4-LS1-1 From Molecules to Organisms: Structures and Processes
Students who demonstrate understanding can: Construct an argument that plants and animals have internal and external structures that function to support survival, growth, behavior, and reproduction.
Disciplinary Core Ideas LS1.A: Structure and Function
Plants and animals both have internal and external structures that serve various functions in growth, survival, behavior, and reproduction.
Crosscutting Concepts: Systems and System Models
A system can be described in terms of its components and their interactions.
Science and Engineering Practices: Engaging in Argument from Evidence
Engaging in argument from evidence in 3-5 builds on K-2 experiences and progresses to critiquing the scientific explanations or solutions proposed by peers by citing relevant evidence about the natural and designed world(s). Construct and argument with evidence, data, and/or a model.
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