Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

What has a bottom at the top?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

At a party, there are five people and a whole round cake lying at the centre of the table. Only four people will make a cut and take their piece and the last one will get the remaining piece on the table. How can they make sure that everyone gets a 1/5th of the piece?

There are three Athletes (John, Tarun and Harish) and their individual Coaches (Jacob, Meenaxi and Priyanka) standing on the shore.
No Coach trusts their Athlete to be near any other Coach unless they are also with them.
There is a boat that can hold a maximum of two persons.
How can the six people get across the river?

Can you move 2 matchsticks to form four equal sized squares.

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

John has eleven friends. He has a bowl containing eleven apples. Now He wants to divide the eleven apples among his friends, in such a way that an apple should remain in his bowl.
How can He do it?

John leaves home and then he takes three right turns. John wants to return to home but he was scared of Jacob, who is wearing a mask.

What is John Situation ?