1. What is bibimbap?

It is a popular Korean dish.

2. What do we have today?
We have a special dessert today.

3. What is today's special dessert?
It's chocolate ice cream.

4. Who are they?
They are student reporters.

5. What is the opening hours of the library?
It's open from 8 a.m. to 5 p.m.

6. What is the cooking classroom like?
It's just like a big kitchen.

7, What is the score?
The score is 3 to 1.

(Would you check the questions and answers? Are they all grammatical? Correct the errors, please.)

The only grammatical correction I'd make is in #5. Use one or the other of these:

What are the hours of the library?
It's open from ...

OR

What is the opening hour of the library?
It opens at 8 am.

Everything else is fine.