This Children's sermon was adapted from one posted on Sermons4kids.com titles "What's on the Inside Counts" by Sharon Brumfield
Talk about containers and which one would appear to be better to drink from.
Two glass vases -- one plain and the other fancy( I decorated mine with rhinestone stickers.)
Food coloring (four different colors)
A jar or smaller glass with bleach
a pack with two Alka-Seltzer