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Physical Science Quarter 1 – Module 7: Earth’s Natural Gem

This module was designed and written with you in mind. It aims to help you master the principles governing the structures and functions of biological macromolecules. The language used recognizes the diverse vocabulary level of students. The lessons follow the standard sequence of the course.

This module consists of one lesson:

  • Describe how energy is harnessed from different sources:

(a) fossil fuel
(b) biogas
(c) geothermal
(d) hydrothermal
(e) batteries
(f) solar cells
(g) biomass

By the end of this module, you can:

1. describe the different sources of energy;

2. give a summary of how energy produces from a different source;

3. differentiate renewable and non-renewable sources of energy; and

4. outline the pros and cons of the different sources of energy.


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