Lesson Overview

Students will:

• Consider what the eye needs to do
• Observe functions of eye structures from back to front: retina, lens, iris & pupil and explain their observations

Lesson Objectives

Students will be able too:

3rd-8th

• Explain how structures of the eye contribute to vision
• Distinguish between the cone and rod cells in the retina 

This lesson is aligned with these Next Generation Science (NGS) Standards.

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Disciplinary Core Idea (DCI)

LS1 From Molecules to Organisms: Structures and Processes – LS1.A Structure and Function

• (3rd-5th) Organisms have both internal and external macroscopic structures that allow for growth, survival, behavior, and reproduction.
• (6th-8th) All living things are made up of cells. In organisms, cells work together to form tissues and organs that are specialized for particular body functions.

Science & Engineering Practice (SEP) 

Constructing Explanations and Designing Solutions

• (3rd-5th) Use evidence (e.g. measurements, observations, patterns) to construct or support an explanation or design a solution to a problem.
• (6th-8th) Apply scientific ideas, principles, and/or evidence to construct, revise and/or use an explanation for real-world phenomena, examples, or events.

Crosscutting Concept (CCC)

Structure and Function

• (3rd-5th) Substructures have shapes and parts that serve functions.
• (6th-8th) Complex and microscopic structures and systems can be visualized, modeled, and used to describe how their function depends on the shapes, composition, and relationships among its parts; therefore, complex natural and designed structures/systems can be analyzed to determine how they function.

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