Theme: YOU AND ENERGY

Basic science    J.S.S.2   Third Term

WEEK 7

Light energy 2

Performance Objectives

The student should be able to:

1. Explain how we see objects.

2. Define dispersion and use it to describe how the rainbow is formed.

Content

Vision

The act or power of sensing with the eyes.

How the Eyes Work

When light rays reflect off an object and enter the eyes through the cornea (the transparent outer covering of the eye), you can then see that object.
The cornea bends or refracts, the rays that pass through the round hole of the pupil. The iris (the coloured portion of the eye that surrounds the pupil) opens and closes, making the pupil.... View More