This document provides a learning module on the positive and negative effects of religion for senior high school students studying Introduction to World Religions and Belief Systems. The module discusses how religion can promote social solidarity but also trigger conflicts, and gives examples of both. Students are asked to complete tasks identifying religion's effects, citing examples, and justifying its impacts on society. The document summarizes that while religion can bond communities and provide morality, it has also been used to discriminate, assert social control, and impede scientific progress.