This module is written and designed for the learners to have a deeper understanding of the properties and characteristics of light, sound, and heat.
Objective
After going through this module, you are expected to:
1. describe how light, sound, and heat travel (S4FE-IIIf-g-4); and
2. describe ways to protect oneself from exposure to excessive/intense light, heat, and sound (S4FE-IIIi-j-6).
