Which sentence states a fact?
A honeybee can make one-twelfth of a teaspoon of honey in its lifetime. Bees are especially useful insects because they can make honey.
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 first sentence states a fact.
A honeybee can make one-twelfth of a teaspoon of honey in its lifetime.
It can be proved by looking up information about honeybees.
The second sentence states an opinion.
Bees are especially useful insects because they can make honey.
Especially useful shows what a person believes, thinks, or feels. Another person might have a different opinion about what makes bees especially useful.