The answer to last week's question is ENVELOPE.
This week's question is...
Rick is asked to carry a barrel of water across the desert for his Cub Scout troop. The barrel is 2 feet high, 1.5 feet in diameter, and it weighs 100 pounds. What can he add to it to make it lighter?
Answers must be emailed to me at firstname.lastname@example.org by the end of the school day Friday, May 25.