1) The word "chocolate" contains four vowels: O, O, A, and E.

2) The most-watched television event in the United States is the Super Bowl, with millions of viewers tuning in each year.

3) The word "forest" contains two vowels: O and E.

4) The world's largest volcano, Mauna Loa in Hawaii, is also one of the most active. It stands over 13,000 feet (4,000 meters) above sea level.