Mark Anthony Llego

Earth Science for STEM Q1 Module 9 explains surface water, groundwater, how water is distributed on Earth, and how students can protect water resources.

Earth Science for STEM Q1 Module 10 explains how human activities affect water quality and availability, with activities, tests, and an answer key.

Earth Science for STEM Quarter 1 Module 11 explains how farming, construction, and waste disposal affect soil, plus ways to conserve and protect it.

Earth Science for STEM Q1 Module 12 explains ten soil conservation methods, from terracing to crop rotation, with activities, a poster task, and answer key.

Earth Science for STEM Quarter 1 Module 13 explains what waste is, its kinds and sources, and waste management under RA 9003, with activities and answer key.

Earth Science for STEM Q1 Module 14 covers types and sources of waste, treatment and disposal methods, and waste’s effects on health and the environment.

Senior High School Earth and Life Science Quarter 1 Module 1 explains what makes Earth habitable and how it compares with Venus and Mars.

Earth and Life Science Q1 Module 2 for Senior High School covers the four subsystems of the Earth and how matter and energy flow between them.

Earth and Life Science Q1 Module 3 explains the characteristics of minerals, properties such as luster, streak and hardness, and the Mohs scale.

Senior High School Earth and Life Science module on igneous, sedimentary, and metamorphic rocks, with activities, tests, and an answer key.