Which sentence states a fact?
Hurricane Rita was the worst storm in history. Hurricanes are tropical storms with strong winds and heavy rains.
A fact is something that can be proved to be true.
The month of July has more days than the month of June.
This is a fact. It can be proved by looking at a calendar and counting the number of days in each month.
An opinion is something that a person believes, thinks, or feels. An opinion cannot be proved true.
July is a better month than June for camping.
This is an opinion. People may have different opinions about which month is "better" for camping.
The second sentence states a fact.
Hurricanes are tropical storms with strong winds and heavy rains.
It can be proved by looking up hurricane in the dictionary.
The first sentence states an opinion.
Hurricane Rita was the worst storm in history.
Worst shows what a person believes, thinks, or feels. Another person might have a different opinion about what makes one storm worse than others.