QuexBook is a mobile learning module patterned on the Department of Education’s K12 Curriculum Guide (DepEd K to 12 CG) designed to enhance and strengthened knowledge about various subjects in Junior High and Senior High Subjects.

Earth and Life Science is composed of almost 880 questions with solutions and is equivalent to 1050-page Book.

It contains the following topics:

I. Origin and Structure of the Earth
II. Earth Materials and Processes
III. Natural Hazards, Mitigation, and Adaptation
IV. Introduction to Life Science
V. Bioenergetics
VI. Perpetuation of Life
VII. How Animals Survive
VIII. How Plants Survive
IX. Process of Evolution
X. Interaction and Interdependence