Central idea practice

Many people have not heard giraffes make noises.  Giraffes do not use sounds to “talk” with each other.  When hurt, giraffes make a low moo, something like a cow.  When frightened, they make a short, high sound.
What is the central idea?

I can't wait until this weekend! We’re going to my grandparents’ house and my entire family will be there. I will spend most of my time playing games with my cousins. We always have such a good time together! The day goes by so fast, and by the end we are all exhausted... but we still don’t want to leave!
What is the central idea?

What at is the central idea of this paragraph?

Soccer players learn many skills when playing soccer.  Soccer players learn how to dribble and pass the ball.  They also learn how to control the ball so they can eventually score.  Most importantly, soccer players learn how to work together with their teammates.

The central idea is supported by....

The central idea of a passage/text is....

What might be the central idea of a book titled "Eat Your Fruits and Vegetables?"

Supporting details....

Do you think this sentence implies a theme or a central idea? Even if someone has something else that you want, you should still be thankful for what you have.

Central idea and main idea are the same thing.