Exegetical Aim: To teach the Trinitarian nature of God.

Props: A solid-colored glass with ice and a clear glass with water. You want to be able to display the water but hide the ice. Optional: Hot water in a thermos or a cup on a hot plate that is hot enough to produce steam and a mirror to collect the steam.

Lesson: [Hide the glass with ice and the thermos.] Good morning! (response) I have a few things here to show to you. Hold up the glass of water. Can anyone tell me what I have in this glass? (response) What all do we do with water? (response) What else do we do with water? (response) That's right. Water is used so many ways. We grow food with it; clean things with it; we swim in it; we drink it when we're thirsty and take baths in it. What would happen if I poured this water into my ha…