SubjectPaid lesson
Light energy 2
CT
ClassNotes Team 4 MIN READUPDATED 13 JUL 2026Theme: 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 bigger or smaller.…