Object:
an optical illusion (such as two equal lines side by
side. The top one has > on each end and the bottom one has < .
The bottom line looks longer even though it is not)
I want to show you something here. (Show them the optical
illusion.) Which line is longer? (Allow them to respond.) It
sure looks like that line is longer, but it is not. In fact,
both lines are the same length. This is called an "optical
illusion" and it's fun to see how our eyes play tricks on us.
(Here, if you choose, show the children other optical illusions.
There are books of optical illusions available at most public
libraries. Also check under "Illusion" or "Perception" in an
encyclopedia.)
When the disciples were behind locked doors, Jesus suddenly