In virtually all Christian traditions , this regular public worship is accompanied by other forms of worship , such as prayer and study , small group prayer ( often linked with Bible study ) , and formal ceremonies on special occasions , including weddings , funerals and events of Church or state . In many Christian traditions , regular public worship is complemented by other forms of worship , such as individual meditation , prayer and study , small group prayer ( often linked with Bible study ) , and formal ceremonies on special occasions , including weddings , funerals , baptisms and events of Church or state .