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Horns and Antlers: Useful Tools or Nature’s Hood Ornaments?


This video presents information on the functions of external structures using the examples of horns and antlers.



Printable Materials

Horns and Antlers (PDF) Lesson Plan


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.


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.