Question:
It's so strong, it does not break,
It's so powerful, it penetrates a lake,
Sometimes it's weak as a twig left out in the sun,
It's so wonderful it gives us the power to have fun.
What is it?
Answer:
Light.
Try another Brain Teaser:
Two men play five complete games of checkers. Each man wins the same number of games. There are no ties. How?