Mass is a very special time for people who believe in God. It usually happens in a church. During Mass, people say prayers and sing songs. There is someone who talks to everyone about God, and they read from a special book called the Bible.
One of the most important parts of Mass is when the bread and wine are turned into something special. This special thing is called the Eucharist. When people eat the Eucharist, they believe they are taking in a little bit of God's love.
People also sometimes stand up and sit down during Mass when they're supposed to. This is to show respect to God and to help everyone focus.
Overall, Mass is a time for people to come together and show their love for God. It's a very special time that happens on certain days each week, and it helps people feel connected to each other and to something bigger than themselves.