Lesson 18 Baptism Makes Us Members of God's Family Baptism is necessary for salvation from sin. Catechism Connections Lesson Topics Sacraments of Initiation Essential Lessons Lesson Vocabulary Temple of the Holy Spirit: The dwelling place of the Holy Spirit. When we are baptized, we are filled with the Holy Spirit, who dwells within us and helps us to be holy. Because we are filled with the Holy Spirit, we are temples of the Holy Spirit. Plan Lesson 18 Classroom Slides pptx I Am A Temple of The Holy Spirit pdf Teach Baptism of Christ (c. 1840–1850)jpg Extend Lesson 18 Absent Student Handout pptx Lesson 18 Parent Newsletter pdf